We know the gut-brain connection is important, but your oral health is proving to be just as critical. Research shows that periodontal disease (gum disease) increases Alzheimer’s risk by triggering inflammation that activates brain immune cells called microglial cells. Simple steps like brushing twice a day, flossing, and maintaining overall oral health can help protect your brain. I cover this and more in my upcoming book, Brain Defenders — stay tuned! | David Perlmutter, M.D.

Many of you asked an important question after my recent post on sleep deprivation driving insulin resistance: what if you simply can’t get 8 hours at night? While 7–9 hours of consecutive sleep is ideal, if you can’t get it all at once, it may help to make up the time with a nap or rest during the day. Interestingly, research shows that people who nap after poor sleep often drop into deeper, more restorative sleep more quickly. It’s not a perfect replacement, but it can still support your brain