NAD+ precursor nicotinamide may be a potential therapeutic strategy for heart failure with preserved ejection fraction.

The number and aggressiveness of circulating tumor cells, which leads to cancer metastasis, increases significantly during sleep.

Clinical decision making in the diagnosis of community-acquired pneumonia (CAP) should be based on a clinician´s overall judgment as no individual clinical sign or symptom is adequate to rule in or rule out CAP.

Reduction in deep sleep, an important side effect of sleep-promoting drugs, could be happening because of hypnotics interfering with alpha3 subunits of GABA receptors in the brain's thalamus.

Individuals who recovered from COVID-19 have an increased risk of various cardiovascular disorders in the months following the acute disease.

Almost 10% of adults in the US suffer from alcohol use disorder which leads to numerous health problems and more than 1 month of workplace absence annually.

In the past 20 years, the diet quality among adults over 65 in the US has been decreasing, with 61% consuming a poor quality diet in 2018, compared with a still high 51% in 2001.

Switching from a Western diet, containing lots of fat and sodium, to a healthy diet, rich in nuts, fish, fruit and vegetables at the age of 20 is estimated to increase lifespan by more than 10 years.

High, high-decreasing and low-increasing levels of physical activity in adults over 65 were associated with a 29-52% decrease in risk of cardiovascular diseases compared to constantly low physical activity.

Drinking up to 3 cups of ground coffee per day was associated with a decreased risk of all-cause mortality, whereas instant coffee consumption did not have a significant effect on health outcomes.