Answers from Sheldon G. Sheps, M.D. Caffeine can cause a short, but dramatic increase in your blood pressure, even if you don't have high blood pressure. It's unclear what causes this spike in blood pressure. Some researchers believe that caffeine could block a hormone that helps keep your arteries widened. Others think that caffeine causes your adrenal glands to release more adrenaline, which causes your blood pressure to increase.
At level 22, Zubat evolves into Golbat. Than when you've got a happy Golbat(you can check happiness in your Poktech) Golbat evolves into Crobat.   Zubat evolves into the câ¦ommon Pokemon Golbat at level 22, and then evolves into Crobat when it levels at a happiness 220.
The first competitive battler on the list, Crobat is one of the fastest PokÃ©mon in the game. The fully evolved Zubat will not sweep any teams, but is a reliable choice when you need poison and speed. #47: Heracross. This blue beetle derives its name from Hercules for good reason.