10 Benefits of Drinking Tea Over Coffee

1. Tea hydrates your body and replenishes your fluid intake. Tea has the added benefit of being pure H2O.
2. Studies have shown that tea have help to reduced the chances of developing certain types of cancer. 
3. Tea will keep you going for longer. Tea and coffee have the same amount of caffeine, but coffee have a much bigger depressing act and reduces your energy levels. The caffeine buzz with coffee is also shorter and will drop quicker. For something that will keep your going all day, tea is the better choice.
4. Tea's easier to make than coffee. You simply have to place a teabag in a cup of hot water.
5. Tea is full of antioxidants. Antioxidants are a way keeping you looking fresh, feeling great.
6. Tea can make you lose weight. Green tea is a great for people who want to lose weight, green tea help to speed up your metabolism.
7. Tea is good for your teeth. Tea doesn't discolour and stain your teeth like coffee.
8. Tea can protect your bones. An Australian study recently found that people who drank tea on a regular basis had stronger bones.
9. Tea can help reduce stress. While the physical cause behind this remains unknown, it’s a well-known fact that tea is used cross-culturally as a bonding tool as well as refreshment, which goes some way to explaining why some cultures have tea so deeply ingrained as part of their customs (e.g. the British). Tea, or rather specifically, green tea has also been found to work as an antidepressant, meaning that taking a cup next time you're feeling a little low might just help boost your mood.
10. Tea can help strengthen your immune system. While it probably won't help out a huge amount while you're battling a bout of intense flu (apart from the benefits of just drinking something and helping to flush the bug out of your system), drinking tea can really help set up and improve your immune system for next time. 

http://www.lifehack.org/articles/lifestyle/10-benefits-drinking-tea-over-coffee.html