Listen in as Dr. Mike provides the answers to a wealth of health and wellness questions. Here you'll find the answers to a wealth of health and wellness questions posed by Healthy Talk fans. Listen in because what you know helps ensure healthy choices you can live with. Today on Healthy Talk, you wanted to know:Dr. Oz went before a congressional committee where he was ridiculed for promoting coffee as a weight loss supplement. But, isn't there some research showing it is good for weight loss?Yes, there is research that has been done that shows the benefits of weight loss through green coffee bean extract. But, it does have to be formulated the right way. The green bean coffee extract needs to be at least 50 percent chlorogenic acid, which is the main antioxidant.It's important to know that the research wasn't for weight loss purposes, but rather how chlorogenic acid helps you metabolize sugar. When you can't properly digest and metabolize sugar, it stores as fat. The research did in fact show a benefit between green bean extract and sugar levels. This resulted in low blood sugar, as well as weight loss. Dr. Mike thinks that the reason why Dr. Oz got into a little bit of trouble was because of the way he was phrasing the research to maintain his widespread audience's attention.What type of coffee is best to drink for its health benefits?Dr. Mike doesn't think this question is about the bean, but rather talking about light, medium and dark roast varieties. The deeper and darker the roast, the less antioxidants it has (since it's been roasted longer). Dr. Mike suggests drinking a mild roast coffee, since it retains most of the antioxidants.If you have a health question or concern, Dr. Mike encourages you to write him at askdrmikesmith@radiomd.com or call in, toll-free, to the LIVE radio show (1.844.305.7800) so he can provide you with support and helpful advice.