Obesity & PA

Question 1

List the key troubles with a large fat surplus

Answer 1

Liver disease

Colon cancer

Osteoarthritis

Stroke

Type 2 diabetes

Heart disease

Question 2

Obesity and heart disease

Answer 2

Obese ind tend to have elevated cholesterol.

This can lead to plaque build up in the arteries.

They are twice as likely to have hypertension.

Question 3

Obesity and type 2 diabetes

Answer 3

Ind w/ excess body fat (esp in the abdominal area) often become resistant to insulin, thus allows increases in the levels of circulating glucose.

This can result in diabetes.

A side effect is damage to blood vessels in the retina and lead to blindness.

Question 4

Obesity and stroke

Answer 4

Risk of a stroke is 2-4 times higher in individuals with type 2 diabetes, 90% of whom are overweight.

Question 5

Obesity and liver disease

Answer 5

Many obese ind develop deposits of fat inside the liver, a condition that can progress to cirrhosis in ~10% of cases + occasionally to liver failure.

Question 6

Obesity and colon cancer

Answer 6

Obese ind are at greater risk of colon cancer.

Abdominal fat appears to increase the risk more than fat elsewhere.

Question 7

Obesity and osteoarthritis

Answer 7

Being overweight places additional strain on the spine, hip + knee joints, causing loss of cartilage.

As cartilage deteriorates, joint space narrows + bones grind together.