Scientists pinpoint how many hours sleep will increase your risk of heart disease Abrupt Antarctic climate shifts could lead to "catastrophic consequences," experts warn

Kennedy Jr. with what he described as “the question that everybody is wondering about” on Tuesday. Namely, “Why do you wear jeans when you work out?” “Well, I just started doing that a long time ago because I would go hiking in the morning and then I’d go straight to the gym and I found it was convenient and now I’m used to it so I just do it.