India, April 27 -- Health and fitness coach Theo Bergmann advised against having coffee in a video he shared on Instagram on April 22. In his caption, he wrote, "You have to understand this. Coffee is not the best option for your health!" In the accompanying video, Theo explained 'how dangerous coffee is'. Also read | Don't brush your teeth before sleeping? Doctor explains why skipping brushing may do more harm than just risk cavities

He said, "The biggest problem with coffee is that it is very acidic. Any kind of caffeine is very acidic. Your body has to buffer that acidity with calcium. Most people nowadays don't have enough calcium in their system anyway. They only have toxic calcium in their system from dairy. But if you have coffee ...