CITATION SOURCE OF HEALLENGES APPLICATION
MINDFUL EATING
Day 6:
Research shows that nature experiences can positively affect your health in many ways, including reducing stress, lowering blood pressure, and boosting your mood (1, 2).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5559777/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5580568/
Day 15
Research shows that eating slower results in significantly greater feelings of fullness and may even reduce calorie intake (1, 2).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4212566/
https://pubmed.ncbi.nlm.nih.gov/24388483/
SUGAR SAVVY
Day 1
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5793267/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5536157/
Day 2
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4827616/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6025796/
Day 3
Day 4
Starting your day with a high protein breakfast that’s low on the glycemic index (GI) — a measure of how quickly a food raises your blood sugar levels — can help stabilize your blood sugar and keep you satisfied and full until your next meal or snack (1).
Eating a high protein, low GI breakfast may even improve cognitive function, helping you perform better at work and concentrate on your daily tasks. In contrast, high sugar meals may impair your blood sugar regulation, attention, and concentration (2, 3).
https://pubmed.ncbi.nlm.nih.gov/24923232/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3951795/
https://pubmed.ncbi.nlm.nih.gov/30351155/
Day 5
Research shows that for most people, food cravings—like a sudden hankering for chocolate— happen multiple times per week (1). It’s thought that they’re caused by associating eating with specific feelings, such as anxiety, or certain activities, like watching TV. Also, studies show that the more you eat sweet things, the more you’ll crave them (1, 2, 3).
- Get enough sleep. One night of poor sleep can lead to increased hunger, overeating, and cravings. Getting 7 to 9 hours of sleep per night can help reduce cravings (4)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5529244/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6411047/
https://www.mdpi.com/2072-6643/12/1/52/htm
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6470707/
Day 6
Day 7
Day 8
Day 9
Day 10
Research has shown that sugar substitutes, including sucralose, saccharin, and aspartame, can harm beneficial gut bacteria (1).
Having a healthy and balanced population of gut bacteria is essential for health. In fact, gut bacteria disturbances have been linked to a number of conditions, such as gut disorders and inflammation (2, 3).
Even “natural” sweeteners like stevia may negatively affect gut bacteria (4, 5).
Additionally, sugar alcohols — such as sorbitol and xylitol — can cause digestive issues, such as bloating and diarrhea, in some people (6).
What’s more, consuming artificial sweeteners may increase your appetite (7, 8).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6363527/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5003832/
https://pubmed.ncbi.nlm.nih.gov/28938797/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6033410/
https://pubmed.ncbi.nlm.nih.gov/24251876/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5093271/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3772345/
GUT CHECK
Day 1
Studies have shown that a disturbance to the intestinal microbiota — from things like stress, an unvaried diet, or sleep deprivation — is strongly correlated (1, 2) with:
You’ve probably heard that Americans don’t eat enough fiber, but did you know we eat less than half of the recommended amount? That’s 25 grams for women and 38 grams for men (3, 4).
High fiber diets have been linked to a longer life as well as lower:
- cholesterol
- blood sugar levels
- risk of diabetes
- risk of some cancers, including colon, lung, and breast cancer (5, 6, 7, 8, 9, 10, 11)
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4863046/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5434440/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4344579/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4344579/
https://academic.oup.com/aje/article/181/2/83/2739206
https://onlinelibrary.wiley.com/doi/full/10.1111/jdi.12376
https://www.sciencedirect.com/science/article/abs/pii/S1533002818301397
https://www.tandfonline.com/doi/abs/10.3109/10428194.2016.1144879
https://pubmed.ncbi.nlm.nih.gov/19335713/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4896489/
https://pubmed.ncbi.nlm.nih.gov/23609775/
https://www.healthline.com/health/food-nutrition/too-much-fiber
Day 2
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5434440/
https://www.sciencedirect.com/science/article/abs/pii/S1389945717303179
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5123208
https://www.nature.com/articles/srep35405
https://www.healthline.com/health/digestive-health/things-your-gut-wants-you-to-know
https://www.naturalmedicinejournal.com/journal/role-cortisol-sleep
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4029760/
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0097500
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4547234/
https://pubmed.ncbi.nlm.nih.gov/21673361/
https://www.sciencedirect.com/science/article/abs/pii/S1389945717303179
https://www.frontiersin.org/articles/10.3389/fmicb.2017.01221/full
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0222394
Day 3
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4837298/
https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-017-1175-y
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3957428/
https://academic.oup.com/nutritionreviews/article/76/Supplement_1/4/5185609
https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-017-1175-y
https://academic.oup.com/nutritionreviews/article/76/Supplement_1/4/5185609
https://www.tandfonline.com/doi/abs/10.1080/10408398.2014.883356
https://pubmed.ncbi.nlm.nih.gov/9440384/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3303609/
https://ami-journals.onlinelibrary.wiley.com/doi/full/10.1111/j.1365-2672.2007.03579.x
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4160712/
https://pubmed.ncbi.nlm.nih.gov/22040525/
https://academic.oup.com/nutritionreviews/article/76/Supplement_1/4/5185609
Day 4
https://www.sciencedirect.com/science/article/abs/pii/016383439500025M
https://onlinelibrary.wiley.com/doi/abs/10.1002/da.21964
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4142584
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4383597/
https://link.springer.com/article/10.3758/CABN.7.2.109
https://pubmed.ncbi.nlm.nih.gov/23643368/
https://pubmed.ncbi.nlm.nih.gov/22314561/
https://pubmed.ncbi.nlm.nih.gov/22314561/
https://pubmed.ncbi.nlm.nih.gov/24997031/
https://pubmed.ncbi.nlm.nih.gov/22314561/
https://www.frontiersin.org/articles/10.3389/fnint.2013.00086/full
Day 5
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3705355/
https://gut.bmj.com/content/65/2/330
https://pubmed.ncbi.nlm.nih.gov/7698613/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4837298/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4838534/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4315779/
https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-017-1175-y
https://pubmed.ncbi.nlm.nih.gov/26757793/
https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-017-1175-y
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3571646/
https://gut.bmj.com/content/65/2/330
Day 6
Gelatin may also help prevent leaky gut — a condition where the barrier of your intestinal wall breaks down and allows substances to leak into your bloodstream — thanks to the amino acid glutamine (1, 2).
Other amino acids in bone broth, including arginine and glycine, may also help you sleep better and reduce inflammation, which is important for healthy digestion (2, 3, 4, 5, 6, 7, 8, 9).
https://pubmed.ncbi.nlm.nih.gov/10825688/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2898551/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4397399/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3328957/
https://www.nature.com/articles/npp2014326
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1479-8425.2006.00193.x
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1479-8425.2007.00262.x
https://pubmed.ncbi.nlm.nih.gov/12589194/
https://pubmed.ncbi.nlm.nih.gov/21996294/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4029760/
Day 7
Researchers believe that pets expose kids to a wide variety of microbes, which help train their immune system for what’s a threat and what would be an overreaction or unnecessary allergic response (1, 2, 3). Children who grow up with dogs or cats have lower rates of asthma (3). Pets bring in helpful microbes from the outside and share them with the whole household (4).
Studies have shown that growing up in a microbe-rich environment, like a traditional farm, may foster diversity in the gut microbiome and lead to a healthy immune system (5, 6). People who grew up in a city have less diverse gut microbiota, likely because they interact with nature less frequently and less intimately (5, 7).
Soil is teeming with microbes. There’s some evidence that soil biodiversity is related to human microbiota (5)
https://jamanetwork.com/journals/jama/fullarticle/195228
https://www.pnas.org/doi/10.1073/pnas.1310750111
https://www.nature.com/articles/543S48a
https://www.nature.com/articles/543S48a
https://royalsocietypublishing.org/doi/full/10.1098/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5635058/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5027468/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5635058/
https://pubmed.ncbi.nlm.nih.gov/19220322/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5635058/
Day 8
Nearly a third of Americans regularly consume artificial sweeteners (1). These low or no calorie sugar substitutes add sweetness, but recent research has discovered they may be harmful for gut health (2, 3).
Recent research shows they may influence the balance of bacteria and reduce numbers of beneficial strains along the way (4, 5, 6).
Studies have shown that animals fed a variety of artificial sweeteners, including aspartame (Equal, NutraSweet, Sugar Twin), saccharin (Necta Sweet, Sweet’N Low, Sweet Twin), and sucralose (Splenda), experienced changes in the bacteria in their gut (7, 8, 9, 10, 11, 12). Early research also suggests this bacterial change can negatively affect blood sugar levels in mice and humans (10, 13).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3417218/
https://translational-medicine.biomedcentral.com/articles/10.1186/s12967-017-1175-y
https://www.sciencedirect.com/science/article/pii/S0278691519304818
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4615743/
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0199080
https://www.mdpi.com/1420-3049/23/10/2454/htm
https://pubmed.ncbi.nlm.nih.gov/18800291/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5464538/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4197030/
https://pubmed.ncbi.nlm.nih.gov/25231862/
https://www.sciencedirect.com/science/article/abs/pii/S0031938416301640
https://www.tandfonline.com/doi/full/10.1080/10937404.2013.842523
https://pubmed.ncbi.nlm.nih.gov/25231862/
https://www.mdpi.com/2072-6643/9/6/560
Day 9
Why do they work? Most likely it’s because the receptors on your tongue, stomach, and intestines respond to bitter flavors by releasing more digestive secretions (1). This in turn helps improve nutrient absorption and can ease indigestion, nausea, and intestinal cramping (1).
Common roots like ginger, turmeric, and burdock are rich in antioxidants and may help fight inflammation (2).
https://pubmed.ncbi.nlm.nih.gov/25350500/
Day 10
Our ferocious cleaning and embrace of antibacterial agents has killed bacteria, removing the beneficial ones, too, and leaving many places too sterile to be healthy (1).
- Use castile soap or other gentle, eco-friendly cleaners, like vinegar and baking soda, around the house instead of bleach and other harsh cleaners (2).
- Replace dish soap and dishwasher tablets that contain Triclosan, bleach, or other antibacterial agents with an antibacterial-free version (3).
https://pubs.rsc.org/en/content/articlepdf/2017/ra/c7ra04304j
https://www.cmaj.ca/content/190/37/E1097
MOOD AND FOOD
Day 1
https://www.hsph.harvard.edu/nutritionsource/carbohydrates/carbohydrates-and-blood-sugar/
Day 2
Day 3
Day 4
However, since caffeine is a stimulant, having too much may cause your mood to slump (2). Caffeine can cause you to feel more anxiety, especially if you’re prone to worrying (3). It may also cause insomnia and irritability (4).
In one study, scientists discovered that drinking two to three cups of coffee jump-starts the body’s stress response and raises blood pressure, both in habitual and light consumers of coffee (5).
Our genetic makeup influences our caffeine tolerance and sensitivity (6)
https://pubmed.ncbi.nlm.nih.gov/3222359/
https://onlinelibrary.wiley.com/doi/full/10.1111/j.1471-4159.2007.05196.x
https://www.nature.com/articles/1300232
https://psycnet.apa.org/record/1984-14525-001
https://pubmed.ncbi.nlm.nih.gov/2195579/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4242593/
Day 6
That’s because sugar triggers the brain to release dopamine, the “feel-good” neurotransmitter that elicits pleasurable feelings (1).
One study found that those who ate processed foods like refined sugar, sweetened desserts, and fried food were more prone to depression than those who consumed “whole foods” like veggies, fruit, and fish (2). Eating too much sugar may also lead to inflammation, which may be linked to depression (3).
https://pubmed.ncbi.nlm.nih.gov/15987666/
Day 7
A study of young women found that mild dehydration can hinder brain function, which can lead to moodiness and difficulty concentrating (1). Not drinking enough water can also trigger anxiety (2).
On the other hand, staying well hydrated may slightly increase your metabolic rate (3). It can also help us fight off conditions like high blood pressure and urinary tract infections (4).
https://pubmed.ncbi.nlm.nih.gov/21736786/
https://academic.oup.com/jcem/article/88/12/6015/2661518
https://pubmed.ncbi.nlm.nih.gov/16028566/
Day 8
As we mentioned in day 3, vitamin D helps your brain produce the neurotransmitter serotonin (1). Omega-3s can decrease anxiety and depression symptoms (2). These nutrients may also help ward off depression and even make antidepressant medication more effective (3).
The body relies on tryptophan to produce serotonin, and tryptophan-rich foods like salmon have been shown to decrease irritability and moodiness (4).
https://link.springer.com/article/10.1007/s10067-006-0348-5
https://pubmed.ncbi.nlm.nih.gov/21784145/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5067138/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4393508/
Day 9
But a third of Americans don’t get enough sleep (1). This “sleep debt” can affect our physical and mental health, making us cranky and more susceptible to infections (2).
Other foods like almonds and peanuts contain melatonin, a hormone that keeps the body’s sleep cycle on track (3)
https://www.cdc.gov/sleep/index.html
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3256323/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5409706/
Day 10
Loaded with fiber and filled with plant-based protein, beans are a nutrient-dense food that can curtail hunger, lower cholesterol, and reduce inflammation (1, 2, 3).
This can have a positive effect on mood, bolster energy, and help you concentrate (4).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3901975/
https://pubmed.ncbi.nlm.nih.gov/23398387/
https://pubmed.ncbi.nlm.nih.gov/24871476/
Day 11
Fermented foods like yogurt, kimchi, kombucha, and sauerkraut contain probiotics that foster healthy digestion and keep gut bacteria, called “the microbiome,” in sync (1). Gut health is connected to brain function, a robust immune system, and mental health (2).
Fermented foods may even help fight off the common cold (3).
https://pubmed.ncbi.nlm.nih.gov/32232406/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6306734/
https://pubmed.ncbi.nlm.nih.gov/25430686/
Day 12
Sugar-free goodies, such as sodas, candy, and cake, may seem appealing, but artificial sweeteners or sugar substitutes like stevia and sucralose may disrupt or hurt your gut health (1, 2).
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6363527/
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