Ans:overweight football players practising in humid environment has a risk of developing heat stroke is correct.Because Obese and overweight people have poor heat tolerance and obese and overweight people generate more heat in a body due to fats.
2)Weekend stomach bug can cause infection so results in diarrhoeas and vomitting.so it can cause dehydration.So this one is wrong.
3)This statement is also wrong.Both are at risk of dehydration as infections are common in children leading to diarrhoeas ,vommiting and elder adults have low fluid levels so are susceptible to fluid loss if infection is contracted.
4)Muscles cramps or pain in muscles mainly occur due to electrolytic losses of salts from body.So this statement is correct.
5)Overhydration is not always caused by medical condition.Medical conditions like heart failure,kidney failure cause body to retain fluids and deplete sodium and other salts.However non medical conditions can also cause it like athletesor marathon players who drink too much fluids and excreate salts Which causes retention of fluids like water .So this statement is also incorrect.
nutrition Part F LO 6, Discuss Several Disorders Related to Fluid and Electrolyte Balance Imbalances of...