This is What Happens to Your Body if You Drink at Least 1 Coffee A Day

4. It could negatively affect your bones
Now this one is a bit controversial and lacking in evidence, but please read on.

For many years, there have been reports of heavy coffee drinkers and a decrease in bone mass and an overall brittleness to the skeletal system. Due to this several medical professionals and scientists have suspected that caffeine had a negative effect on calcium absorption. However, no concrete evidence has been found, leading researchers to believe that the correlation is merely due to the fact that heavy coffee drinkers are not getting enough calcium in their diets.

So, you could drink less coffee, or you could balance it out with milk, almonds, broccoli or ather calcium-rich foods.