products. >>heather: what are the implications if your child has too much of either? >>guest: 18 deaths are being investigated by the f.d.a. but the problem is long-term. we consume the products and you think there is nothing they can do but caffeine is a sometime plant linked with elevated blood pressure and heart disease. for those at higher risk, those that suffer with certain conditions could experience problems later in life. there are specific risks right now. >>gregg: when you look at package, and obviously advertising is everything, low carb, and you look at back and it said only ten calories, it is