Monday, August 25, 2008

Is Reducing Diabetes Risk That Hard for Men?

As we know, people with diabetes are exposed to a higher risk of developing heart disease and other medical complications, regardless of whether their diabetes is of Type-1 or Type-2.

For Type-2 diabetics, whether they are male or female, losing weight through diet and exercise are one of the alternatives that might just lower their risk of getting it. Nevertheless, men may have to work harder in order to have the same benefit.

Researchers at the University of Colorado Health Sciences Center in Aurora studied more than 1,100 adults at risk of Type-2 diabetes and found that those who aggressively perform calorie-cutting and exercise did lower their risk of getting diabetes over the next year. However, although men lost more weight and exercised more than women did, their diabetes risk was not greatly reduced by doing so. These findings were published in July 2008 in the Journal “Diabetes Care”.

In the study, participants were randomly assigned to either an intensive program of lifestyle changes or standard lifestyle advice. People in the former group had to lose 7 percent of their body weight by cutting calories and fat from their diet and exercising for at least 2.5 hours per week. Both men and women were 58 percent less likely to develop diabetes over the next year when they were put in the intensive group.

According to the researchers’ observation, men generally exercised more and were more successful at losing weight: 47 percent reached the 7-percent target compared with 37 percent in women. It is known that weight loss can actually be translated into a reduction in triglycerides (a kind of blood fat) and hence blood sugar could be better controlled. For male participants, the decrease in these 2 factors was greater than the female participants.

Interestingly, there was in fact no additional benefit for men when it was related to diabetes risk. The rates of return to normal glucose tolerance levels and the development of diabetes did not differ very much for both sexes.

One possible reason for such phenomenon is perhaps men had more diabetes risk factors to begin with. Therefore, the researchers suggested carrying out further studies to discover whether and how various diabetes prevention tactics would affect men and women differently.

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