It is excellent that you are active. In fact, a New England Journal study showed that people who are active actually do better in terms of their arthritis versus people who are not active. This is counter to wh... continue reading  about  I'm 56 and play racquetball two times a week, speed walk 6+ miles at a time, and play volleyball. My knees ache after I play. I ice after activities and have been taking Cellaplex for two months. How do I know if I am damaging my knees?

Losing weight and becoming more active are fantastic goals! If you are mostly sedentary and knee pain is an issue for you, then I would start exercising with simple walking. Research shows that just 30 minutes ... continue reading  about  I am 51 years old and weigh 256 lbs. I have several medical problems, including knee pain. I also sit all day in my job and my long commute. I want to lose weight - where do I start?

I suggest you get treatment for your impingement. Impingement is a fairly simple thing to treat, and most patients recover well and are able to resume activities like push-ups. If you have had treatment but did... continue reading  about  I've been diagnosed with impingement in both of my shoulders. I don't want surgery, but I need a workout routine that does not rely on shoulders/pushups, as I can't support my body weight that way without having significant pain. Any suggestions?

That is an excellent question. A study in the AHA journal Circulation, by Dr. Duck-Chul Lee from South Carolina, addressed this question. The title says it all: "Physical Fitness Trumps Body Weight in Reducing ... continue reading  about  My goal next year is to improve my overall health. Can you tell me if I should focus more on lowering my weight (as I'm a few pounds heavier than I should be), or concentrate more on exercising?

You should try to do both types of exercise. Both have benefits. Aerobic exercise is helpful to improve circulation and to burn calories and, if done long enough, to also help burn fat stores. When you do resis... continue reading  about  Experts say not to skip meals because it slows metabolism down. We are also advised to exercise to burn fat. Now they say you can't just do aerobics, you need resistance training. I'm training with weights and all I'm doing is getting bigger.

Shin splints are very common, especially when someone has just started a new exercise program or has increased their overall workout. Shin splints are actually best thought of as stress injuries (microscopic) o... continue reading  about  I've started running to get back into shape and lose some extra pounds, but now I've got shin splints. What causes this, how can I get rid of them, and also how do I prevent them from coming back?

First of all, congratulations on getting all of that wonderful exercise! Exercise is so good for your physical AND mental health. Don't go calling yourself obese just yet. Technically, a BMI of 27 classifies yo... continue reading  about  I'm 54, eat well and exercise five times per week. Yet my BMI is 27, which translates as obese. Is a BMI of 27 really that indicative of my overall health?

Say "no thanks" and save your money. Common antibacterial agents like silver, triclosan, and trichlorocarban are found in germ- and odor-killing clothes and shoes. Researchers with the Swedish Chemical Agency f... continue reading  about  There are a ton of antimicrobial clothing and footwear options available right now. Is it good for my body to be encased in something that is antimicrobial? I've read a lot about a healthy microbiome.

It is wise to be concerned about dietary supplements, since they are not regulated by the FDA. This then allows manufacturers of these products to make claims that are not well founded in medical science or stu... continue reading  about  I've been running for a number of years. I feel like I've sort of hit a plateau in my race times and performances. I'm considering taking dietary supplements, but I'm concerned about possible side effects. Should I be?