Assertion: diet's effect | /r/CapableOf | disappear by 12 months
Facets:
value: largely
type: DEGREE
Source sentences:
text: Using data from 121 clinical trials, a report in The BMJ found that 14 popular diets led to modest weight loss and improvements in blood pressure at six months for overweight people, but by 12 months the effects on body weight and heart disease risk had largely disappeared.