A study found frequent cannabis users had higher cortisol levels immediately after waking than non-users. The usual morning rise in cortisol was similar between groups, but frequent users started from ...

That could matter because lipoprotein (a), often shortened to Lp (a), is an inherited cholesterol-related particle that can raise cardiovascular risk even when standard cholesterol results look ...

A small UK trial found people who added a daily glass of 100% fruit juice or a smoothie while improving their diet had lower depression scores after four weeks. It can help people increase fruit ...

Researchers found that the hippocampus, a key memory region, appears to undergo a major immune-cell shift from around age 50. Long-standing brain immune cells called microglia seemed to decline and ...

The findings do not prove social life directly changes lifespan, but they suggest relationships and early-life stress may leave measurable biological signatures. Health is not only shaped by food, ...

An experimental once-daily GLP-1 pill called aleniglipron helped people with obesity or overweight lose up to 12.1% of body weight in 36 weeks. Unlike injectable GLP-1 medicines, aleniglipron is a ...

GLP-1 drugs are best known for reducing appetite and supporting blood glucose control. New research suggests some oral GLP-1 drugs may also affect the reward side of eating. That matters because ...

A new review suggests regular exercise may support the brain’s glymphatic system, which helps clear waste during sleep. The effect may come through better sleep, healthier blood vessels, lower ...

A rat study suggests nutrient signals from the gut help the brain form memories about food. The effect depended on the vagus nerve and involved acetylcholine signalling in the hippocampus. High-fat ...

A small trial found older women who ate within an eight- to nine-hour window improved more on some planning and problem-solving tests. Both the time-restricted group and standard diet group lost ...