The new study, published in the Journal of Clinical Endocrinology and Metabolism, comes after experts warned last month that increased sedentary time in childhood can raise cholesterol levels by two t

High cholesterol during childhood has been associated with early signs of heart disease when individuals reach adulthood and an increased risk of premature cardiovascular death in mid-life.

Experts say that insufficient exercise during childhood can increase cholesterol levels in adulthood by two-thirds, which may lead to heart disease and other health issues

Increased sedentary time in childhood can raise cholesterol levels by two thirds as an adult, leading to heart problems and even premature death, experts say.