THE PROS: When caffeine helps
- Sleep deprivation: It combats drowsiness by tricking your brain into feeling alert. It temporarily blocks adenosine, a naturally sedating brain chemical, to prevent fatigue. After a sleepless night, you’ll be up and about with more adenosine in your brain than usual. So, a hit of caffeine neutralizes adenosine and helps you feel less sleepy.
- Painkiller: When a headache comes on, blood vessels in your brain widen; caffeine constricts them. It is also a mild pain reliever.
- Burns fat: Caffeine is one of the very few natural substances that have actually been proven to aid fat burning. Several studies show that caffeine can boost the metabolic rate by 3-11%. Other studies show that caffeine can specifically increase the burning of fat, by as much as 10% in obese individuals and 29% in lean people. However, it is possible that these effects will diminish in caffeine addicts.
- Protects your body: Caffeine contains a lot of antioxidants, that work as little warriors fighting and protecting against free radicals within your body.
THE CONS: When caffeine is harmful
- Insomnia and restlessness: Again, it’s the caffeine working here. Your recommended maximum amount of caffeine is 400 milligrams, roughly the amount that you’ll get from 4 cups of coffee. If you’re caffeine-sensitive, be careful with coffee. You are probably already aware what amount and what kind of coffee suits, or doesn’t suit you.
- Coffee for kids, may increase bedwetting: One survey reported that caffeine consumption of 5-7 year old kids may increase enuresis a.k.a. bedwetting.
- Can be toxic: Bad quality coffee can have a lot of impurities in it, which can cause sickness, headache or a general bad feeling. This can happen if your coffee is made from beans that have been over ripped or otherwise ruined. Even one ruined bean can make your cup toxic. If you invest and buy high quality, speciality coffee you don’t have to worry about this.