nutriotion and health

Nutrition and health

Some people attempt to improve their diets by becoming vegetarians. When people avoid animal food, they must very

carefully assure that their diets especially their children’s, contain a balance and a sufficient amount of essential vitamins

and protein

Diet and atherosclerosis

Cholesterol is the main dietary culprit in atherosclerosis, the deposit of fatty plaques in our blood vessels. and cholesterol level is determined partly by heredity and partly by their life style.

And formation of plaque depend of different types of lipoproteins

Low density lipoprotein(LDL)High density lipoprotein(HDL)

Cholesterol carried by LDL is called “bad cholesterol’’because it mixes with other substances to form plaques.

Cholesterol carried by HDL is called “good cholesterol’’because it seems to carry LDL away to be processed or removed.

Drugs: -• If dietary changes do not lower adults’

cholesterol levels enough, physicians may prescribe medication.

• Statin drugs (some brand names: Crestor, Lipitor, Zocor) greatly reduce LDL and raise HDL levels.

Of all the substances that could affect blood pressure Sodium

such as in salt (sodium chloride)may play the strongest role.

Consuming high levels of sodium can increase people’s blood pressure and reactivity when stressed.

methods, doctors advice usually involve

-lifestyle changes

-especially losing weight

-restricting certain foods in the patient’s diet

And after that mediation are prescribed.

Most of the caffeine people consume comes from drinking caffeinated coffee, tea, and cola. Caffeine increases people’s reactivity to stress and raises their blood pressure during the days that it is consumed.

Caffeine

diets high in saturated fat and low in fiber and fish are associated with the development of cancer.

Cancer experts advise people to maintain a healthy weight, consume little of fatty meats, and eat much fish, vegetables, fruits, and high-fiber breads and cereals to reduce their risk of cancer.

Cancer and diet

Interventions to Improve Diet:-

They can focus on a single nutritional component, such as cholesterol, or promote a healthy overall diet of low fat and high vegetable and fruit content

•counseling sessions with individuals •large-scale programs for groups or communities, as employees or students• group meetings

People with less-than-ideal bodies are often thought of as lazy and self-indulgent, and many of them wish or strive for bodies they are biologically unable to achieve.

WEIGHT CONTROL AND DIET

Determining how much fat a person’s body has is not as easy as it may seem.

Bulk or stockiness alone can be misleading since some stocky people simply have larger skeletal frames than others, or their bodies are more muscular.

We judge the desirability of our weight with two criteria.

-One is attractiveness.-The second criterion for judging

weight is health fullness

The prevalence of overly fat people varies with

Nationalitysocio-cultural factorsGenderage