Final answer:
Hypothyroidism is associated with weight gain and cold intolerance, while hyperthyroidism is associated with weight loss and elevated body temperature.
Step-by-step explanation:
Weight gain and cold intolerance can be associated with hypothyroidism, a condition in which the thyroid gland does not produce enough thyroid hormones. Symptoms of hypothyroidism also include reduced mental activity and fatigue. On the other hand, weight loss and elevated body temperature can be associated with hyperthyroidism, a condition in which the thyroid gland produces too much thyroid hormone. Symptoms of hyperthyroidism also include profuse sweating and increased heart rate.