Adrenaline, as in the hormone secreted by adrenal gland, is also correct in America, although the preferred spelling here is adrenalin. See the American Heritage Dictionary.
There is a brand name of synthetic epinephrine called Adrenalin. Sometimes this causes confusion as to the proper spelling.
epinephrine
adrenaline and noradrenaline
They are fight or flight hormones. Ready the body to fight or run
you can but its dangerous so a doctor has got to do it
You probably mean "epinephrine". This is the preferred term to use when referring to the neurotransmitter/hormone that used to be known as "adrenaline".
lazy-adrenaline
Adrenaline MMA was created in 2007.
An adrenaline rush is a surge of strength and energy brought about by a dangerous situation, as if by adrenaline.
adrenaline is a hormone used in "flight or fright" responses, i.e. fear. so a roller coaster can produce a surge of adrenaline. If you enjoy that, it can be called an adrenaline rush.
Adrenaline is produced by the endocrine system.
No adrenaline and noradrenaline are NOT the same.
Adrenaline