Coffee if taken in moderation i.e 2-3 cups a week, may show some benefits.
But generally people exceed the recommended about and thus suffer from the health effects of coffee.
Here are some dangers of too much coffee:
1)Insomnia (lack of sleep)
To know more about its dangers please see http://justforhearts.org/7-dangers-of-having-too-m...
All the Best! Thank you.