Low thyroid levels/effects in the body cause cold extremities, weight gain, fatigue, need for
excessive sleep, high cholesterol, muscle aches and stiffness, reduced heart function, dry skin,
constipation, scalp and eyebrow hair loss, high blood pressure, depression
, and mental
slowness. There are many other symptoms that can be seen in persons due to their unique
constitutions and their attempts to compensate for the low thyroid levels.