Adolescence /ˌæd

disorder /dɪˈsɔː.də r / /-ˈsɔːr.dɚ/ noun ILLNESS
2. [ C or U ] an illness of the mind or body
a blood disorder
The family have a history of mental disorder.
exercise /ˈek.sə.saɪz/ /-sɚ-/ noun HEALTHY ACTIVITY
1. [ C or U ] physical activity that you do to make your body strong and healthy
Swimming is my favourite form of exercise.
You really should take more exercise.
I do stomach exercises most days.
factor /ˈfæk.tə r / /-tɚ/ noun [ C ] FACT
1. a fact or situation which influences the result of something
People's voting habits are influenced by political, social and economic factors.
Heavy snow was a contributing factor in the accident.
Price will be a major/crucial factor in the success of this new product.
The economy is regarded as the decisive/key factor which will determine the outcome of the general election.
informal The film's success is largely due to its feel-good factor (= its ability to make people feel happy) .
fast food noun [ U ]
hot food such as a burger that is quick to cook or is already cooked and is therefore served very quickly in a restaurant
fat /fæt/ noun
1. [ U ] the substance under the skin of humans and animals that stores energy and keeps them warm
body fat
Women have a layer of subcutaneous fat (= fat under the skin) , which provides them with better insulation than men.
2. [ C or U ] a solid or liquid substance from animals or plants and used especially in cooking
This product contains no animal fat.
I only use vegetable fats in cooking.
harm /hɑːm/ /hɑːrm/ noun [ U ]
physical or other injury or damage
Both deny conspiring to cause actual bodily harm.
A mistake like that will do his credibility a lot of harm.
Missing a meal once in a while never did anyone any harm.
You could always ask Jim if they need any more staff in his office - (there's) no harm in asking (= no one will be annoyed and you might benefit) .
She meant no harm (= did not intend to offend) , she was joking.
She was frightened by the experience but she came to no harm (= was not hurt) .
health /helθ/ noun [ U ]
1. the condition of the body and the degree to which it is free from illness, or the state of being well
to be in good/poor health
Regular exercise is good for your health.
I had to give up drinking for health reasons.
He gave up work because of ill- health.
2. the condition of something that changes or develops, such as an organization or system
the financial health of the business
heart attack noun [ C ]
a serious medical condition in which the heart does not get enough blood, causing great pain and often leading to death
John had a heart attack three years ago.
infection /ɪnˈfek.ʃ ə n/ noun [ C or U ]
a disease in a part of your body that is caused by bacteria or a virus
a serious infection
a throat infection
Bandage the wound to reduce the risk of infection.