A study finds that practicing yoga once per week can enhance brain function in similar ways that aerobic exercise does, by an increase in hippocampus volume, which is involved in memory processing.

Consuming hot chili peppers 4 times per week or more was linked to a reduction in cerebrovascular mortality or mortality following a heart attack, likely due to the compound capsaicin.

Increased sugar consumption, changes in sleep, and reduced daylight hours during the winter can lead to an increase in depressive symptoms, which then leads to more carbohydrate cravings.

Moderate coffee consumption (3-5 cups per day) has been linked to a reduction in Alzheimer's and Parkinson's disease, likely due to the caffeine, polyphenols, antioxidants, and phytochemicals.