A new study suggests that large swings in when people go to bed could double the risk of serious cardiac events—particularly among those who get less than eight hours of sleep

Kimchi probiotic promotes the excretion of nanoplastics from the gut: lactic acid bacteria isolated from kimchi can bind with intestinal microplastics and promote their excretion from the body

Exercise harder, not just longer, to reduce risk of disease and death

Certain types of antibiotics can be linked to changes in the gut microbiome as long as four to eight years after treatment

Analysis of 383,085 women finds over 1 in 5 do not know their menstrual cycle length and only 32.4% report a 28-day cycle

Hemoglobin levels that are within the normal range but at the lower end may be beneficial for health

Butyrate extends health and lifespan in mice with mitochondrial deficiency

Pedestrianizing city streets reduces daily noise by 3.1 decibels, a new study of Barcelona’s "green axes" shows

A daily multivitamin slows the ticking of epigenetic clocks

Patients regain weight rapidly after stopping weight loss drugs – but still keep off a quarter of weight lost