What causes wrinkled peeling fingertips? If you have fingertips peeling and wrinkling, you could be suffering from nerve insufficiency, occupational exposure or even diabetes. Peeling is one of the most common signs, usually visible on the toes and fingers.
Hypothyroidism occurs when your thyroid does not produce enough hormones, which can result in a slow metabolism marked by weight gain, fatigue and sluggishness. If you gain weight, your body will not effectively make energy from food and may contribute to a slowed metabolism.
Fasting and Metabolism. Fasting does not speed up your metabolism -- instead, it has the opposite effect. When your body is deprived of the calories needed for energy, it goes into starvation mode to conserve the energy that it does have. This means you'll burn calories at a slower rate than before.