the (amount of) pressure of the blood on the walls of the blood-vessels
The excitement will raise his blood pressure.
dangerous
very unsafe and likely to be the cause of danger
Going into the city alone can be dangerous.
get sick
to become sick
I got sick at the restaurant.
healthy
(generally) having good health
I'm really a very healthy person.
heart attack
a sudden failure of the heart to function correctly, sometimes causing death
My father has had a slight heart attack.
maintain
to continue
Please maintain a speed of no more than 70 km per hour.
recover
to become well again; to return to good health etc
The country is recovering from an economic crisis.
result
anything which is due to something already done
My test result was much better than my father expected.
risk
(a person, thing,etc,which causes or could cause) danger or possible loss or injury
He thinks we shouldn't go ahead with the plan because of the risk of failure.
treat
to try to cure (a person or disease, injury etc
They treated her for a broken leg.