What Causes Fast Metabolism? Am I eating a healthy amount of dietary fat? An overactive thyroid gland, known as hyperthyroidism, is one cause.
In addition to the direct effect of the exercise itself, strength exercises promote the growth of muscle mass. We respect your privacy.
Again, strength training may help prevent this decline 44 , 45. Your age, sex, eating habits, body mass index, hormones, environment and health condition also impact your metabolic rate, and so does the amount and intensity of physical activity that you do.
Or have you met people who complain about someone they know who can eat whatever he or she wants — including large portions of junk food — due to a fast metabolism and apparently never gain weight. More signs of a slow metabolism? Individuals with a slow metabolism break down food slower than average , and as a result may find it easier to gain weight and more difficult to lose weight than the average individual.
First Name Optional. For those who struggle with their weight and have tried just about everything to control it and keep it in check, having a fast metabolism sounds like a dream come true.
Stand at a counter to type your emails and letters. A slower metabolism is also considered an inevitable part of aging.
Around-the-clock operations of your internal organs, including your heart, brain, liver, lungs, kidneys and intestines, consume most of the energy used during periods of rest. A person with a "low" or slow metabolism will burn fewer calories at rest and during activity and therefore has to eat less to avoid becoming overweight.
Others are not so lucky and end up with a slow metabolism. Starvation mode is probably partly affected by genetics, but previous weight loss attempts or physical fitness could also play a role 27 , 28. Interestingly, intermittent fasting seems to minimize this effect 62 , 63. Acute metabolic stress may cause substantial weight loss if you fail to boost your caloric intake to meet your body's increased metabolic demands.