Harvard Health Blog

Why do so many people express themselves online in ways they would seemingly be unlikely to in a face-to-face setting? The explanation for Internet rage involves anonymity, knowledge of subject matter and personal identification with it, and perception of content versus what it is actually saying.

Naturally fermented foods have been getting the attention of health experts because they contain beneficial probiotics that may help strengthen your gut biome — the bacteria and microorganisms in your digestive tract.

Researchers testing the dispersal of bacteria in public restrooms found that the hand dryers were picking up bacterial deposits, likely from aerosolized microbes caused by the flushing of uncovered toilets.

Ongoing research on the effects of repeated head injury on the brains of football players raises the question of whether preteen football players should be prohibited from tackling.

The Surgeon General has issued an advisory recommending that people carry and know how to use naloxone, and although it is an effective treatment for overdose, it does not address the larger issues around the opioid crisis.

Parents can use Screen-Free Week as an opportunity to evaluate their children’s relationship to their electronic devices as well as their own, and try to be more thoughtful about using them.

Physical activity is beneficial for people with fibromyalgia, but the pain caused by the condition makes exercise difficult for many. A new study compares the benefits of aerobic exercise and tai chi as treatments for fibromyalgia.

Many claim that apple cider vinegar aids in weight loss, but there's little proof that it works. Here's what we know.