The following tips may help one stay healthy during the colder months: shift your sleep cycle earlier by one hour; take magnesium, which is a common deficiency; practice simple breathing techniques to keep calm, focused, and energized; avoid drinking alcohol more than three days per week; improve vitamin D status with sun exposure, diet, or supplementation; exercise; increase intake of omega-3 fatty acids; take pre-biotics and probiotics; eliminate refined sugar and carbohydrates; and connect with others. Forbes, January 2021