Usually, it is symptomless and may not need treatment. T4 (thyroxine) is a major hormone secreted by your thyroid gland. T3 (triiodothyronine) is the active version of T4. The amount of T4 ...

Nadella softened that considerably. Microsoft once had a reputation for a "country club" culture, as Amazon's founder, Jeff Bezos, called it, a place employees would go after they were done ...