Drinking coffee in moderation (no more than two cups a day) is good for the heart and brain. Milk rich in calcium is a good drink for strengthening bones. It is recommended not to add milk to coffee, because it is harmful to health. Drinking milk and coffee together for a long time will cause liver damage, because this mixture will produce an unstable and indigestible emulsion. French people drink the most coffee and milk in the world, but there are no more people suffering from hepatitis among them than in other countries. It turns out that there is a trick: pour coffee into milk instead of milk into coffee, and it is best to use skim milk. This will prevent milk from going bad in your stomach.