By Dr. Saarthak Bakshi Remember when doctors used to make house calls? You'd be lounging at home, not feeling so hot, and the next thing you knew, there was a knock at the door and your trusty physician striding in, black bag in hand. With a warm smile and a few well-practiced questions, they'd get to the bottom of what was ailing you – all from the comfort of your living room.   While that charming tradition may have fallen out of fashion over the decades, a high-tech version is...