When is too much coffee, too much?

Coffee doubles up as a weight loss aid for its appetite-suppressing qualities. However, sugary and creamy caffeine drinks will only neutralise the intended effect, hence it is best to stick to plain black coffee or green tea. — AP

The debate on caffeine is never ending, with some studies touting benefits, but others warning of poor health implications.

We cannot always completely avoid caffeine, as it occurs naturally in beans and plants that are turned into food and beverages like coffee, tea, energy drinks, soft drinks and chocolate.