How Will the Keystone XL Pipeline Be Built? If President Obama approves the hot-button Keystone XL pipeline, TransCanada has plenty of work to do to build the Montana-to-Nebraska connection. This is how its engineers plan to do it.
Side effects of a dose of levothyroxine that is too low would be similar to the symptoms of hypothyroidism. Symptoms of hypothyroidism, or underactive thyroid, include fatigue, weight gain, and constipation.
They also affect a person's growth and development. If untreated, hypothyroidism can lead to poor growth, slow speech, loss of energy, weight gain, hair loss, dry skin, and increased sensitivity to cold temperatures. Levothyroxine can help reverse these symptoms.