India, Jan. 24 -- Achieving and maintaining fitness and good health is a comprehensive process that is deeply affected by an individual's lifestyle. That includes following the right diet and exercising, among other things.

While there are many popular notions on the subject, especially at a time when user-generated content has taken over the internet, not all of them hold up when put to the test in real life. This goes the other way as well.

Taking to Instagram on January 17, Dr Spencer Nadolsky, an obesity specialist with 11 years of experience, shared three hard facts about weight loss which people find hard to believe.

It is not possible to lose fat just by following a magic diet, shared Dr Nadolsky, adding, "There is only a diet y...