Um...because someone put to much caffeine XD or a human does not need a lot of caffeine and coffee has more than needed
Answer:
Health insurance may be defined as the policy that might covers the the risk of the individual medical expense. The monthly or yearly premium is submitted by the individual to avail the benefit of the health insurance.
The policy can be replaced in the limited circumstances only. The insurer must tell him that the hyper tension can only be considered as the pre-existing condition. This conditions is not enough to get cover under the new health policy.
Yes. I have had one :). Called a canker sore