30 Photos That Can Raise Your Pulse in a blink

Your thyroid is in overdrive.

Your thyroid gland produces various hormones, like thyroxine and triiodothyronine, which affect a ton of your body’s systems, according to the Mayo Clinic. If you have hyperthyroidism, your thyroid is overactive and produces too much thyroxine, which in turn speeds up your body’s metabolism too much.