Health diseases and cancer Flashcards
What is health?
A state of complete physical, mental, (and social) well-being
What causes ill health?
Disease
Diet
Stress
Other life situations
What is a pathogen?
A microorganism that causes disease
how do different diseases interact?
-Defective immune system => suffer more from infectious diseases.
-Viruses living in cells can be the trigger for cancers. (HPV)
-Immune reactions => trigger allergies (skin rashes and asthma.)
-Severe physical ill health can lead to depression and other mental illness.
what are risk factors of cardiovascular disease?
poor diet, smoking, lack of exercise, genetics, obesity
what is the effect of alcohol on the liver?
Long Term Alcohol Consumption in High Amounts will cause Cirrhosis (scarring)=> liver failure
what is the effect of alcohol on the brain?
it is a nervous system depressant
it can be a result of poor mental health and/or cause for poor mental health
how and why does smoking cause lung disease?
by destroying the alveoli as it contains many harmful chemicals like tar and CO
how and why can smoking cause diabetes?
chemicals harm body cells -> interfere with normal function -> inflammation -> decreases effectiveness of insulin
effect of smoking on unborn child
can cause low birth weight (especially if you are an older mother) because all the harmful chemicals reduce the baby’s O2 supply => slower development
effect of drinking on unborn child
can cause foetal alcohol syndrome (which is a group of physical and mental defects as a result of alcohol)
what are the risk factors that can cause cancer?
carcinogens, ionising radiation
Define carcinogen
cancer causing chemical
what are risk factors lined to increased risk of disease?
-lifestyle choices
-substances in a person’s body or environment
what is cancer?
uncontrolled cell growth
