How effective are flu shots, elderberries, echinacea, and cranberries?

Probiotics can actually interfere with microbiome recovery after antibiotics, rather than facilitate it.

It may be prudent to limit chronic, vigorous exercise to no more than an hour a day and no more than five hours a week, taking at least one or two days off. For runners, the recommended upper limit for longevity benefits is 30 miles a week.

What do hospitals have to say for themselves for feeding people meals that appear to be designed to inspire repeat business?

I was surprised by how much controversy is in the medical literature over whether the apparent longevity benefits of exercise are even real.

The evidence supporting the overall health benefits of physical activity is overwhelming.

One of the few food contaminants found at higher levels in those eating plant-based diets are mycotoxins, fungal toxins in moldy foods, such as oats. Most food crops are contaminated with fungal mycotoxins, but some are worse than others.

The official exercise recommendations are a “trade-off between optimizing health outcomes and minimizing requirements for individuals,” but what does the science say is best?

Five massive new trials have been published recently, randomizing tens of thousands to various formulations of fish oil versus placebo.

Caloric restriction can boost levels of brain-derived neurotrophic factor (BDNF), which is considered to play a critical role in mood disorders.