Originally Posted by
bassjones
There are some medical conditions that can cause a person's metabolism to be very slow. Low testosterone in men, hypothyroid in both men and women (though more common in women) are two fairly common such conditions. Low T is particularly troublesome because it contributes heavily to weight gain, and the weight gain then lowers the testosterone even more, creating a nasty cyclical effect.
there are legitimate medical situations that can put a person at a disadvantage to losing weight, but i'm willing to bet this is not the case for most overweight people. being lazy, inactive, eating junk food and/or over eating is.