Why do old people shiver in winter when compared to youngsters? Is there any insulator like substance to prevent the escape of heat energy during winter?

Why do old people shiver in winter when compared to youngsters? Is the

1.	Why do old people shiver in winter when compared to youngsters? Is there any insulator like substance to prevent the escape of heat energy during winter?
Answer» Old people shivers in winter when compared to youngsters. They didn’t have enough fat storages below the skin. Fat storing adipose tissue is found below the skin and between internal organs. The cells of this tissue are filled with fat globules. Storage of fat also acts as insulator.