Most people who have high blood pressure do not have symptoms. In some cases, people with high blood pressure may have a pounding feeling in their head or chest, a feeling of lightheadedness or dizziness, or other signs.
Carcinogen i think this is the answer
Hi,
A person swimming by himself gets pulled out to sea by a strong current.
How might such an accident be prevented?
Answer:
C. Swim with a partner.