I am admittedly fully addicted to my morning cup of joe. But according to a new study released by Harvard School of Public Health, my beautiful buzz might not be such a bad habit after all, as it proved that drinking caffineated coffee is not linked to cancer or cardiovascular disease and has shown protect against type 2 diabetes, Parkinson’s disease, liver cancer and cirrosis of the liver. Furthermore, our favorite pick-me-up has shown to do just that: decrease depression and lower suicide rates by 50%.

The study followed 130,000 research volunteers over a period of 18-24 years and focused on the relationship of caffeine to morality. Why would caffeine (coffee being most common source) help to decrease depression? It stimulates the central nervous system and boosts production of serotonin, dopamine, and noradrenaline — neurotransmitters in the brain that produce feelings of well-being.

So how much coffee should you drink? The lowest rates of depression was found in those with a coffee intake of around 400 mg (2-3 cups). The study also showed there was no real health risk in drinking a large amount of coffee (up to 6 cups), but caffeine should be avoided by anyone who is pregnant or who have a hard time controlling blood sugar or blood pressure.

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