Showing posts with label cause. Show all posts
Showing posts with label cause. Show all posts

Sunday, August 13, 2017

Which foods can cause eczema?

Atopic dermatitis, more generally called eczema, is a skin condition. Eczema appears most commonly on the face, neck, elbows, wrists, knees, behind the ears and the scalp.

The main symptom is an itchy rash that tends to run in families; occurs in people with their allergic problems such as asthma; and follows a pattern on the skin that varies by ages.

Allergic reactions to certain foods are thought to stimulate T-cell migration to the skin, triggering eczema and other inflammatory skin reactions.
Wheat
Although eczema may be caused by a large number of environmental triggers, approximately 40 percent of children with eczema also have a food allergy. Allergies to egg, milk, peanut, soy and wheat have a strong link with eczema symptoms.

For adult, the work of preparing food carries a high occupational risk. Occupational dermatitis in this trade is often if mixed irritant and allergic origin.

Sensitivity causing protein contact dermatitis had been found to be common among kitchen workers, who nearly all complain that their dermatitis is aggravated by contact with fish and certain vegetables.  
Which foods can cause eczema? 

Friday, October 02, 2015

Common causes of vitamin k deficiency in human

A deficiency of vitamin K is unlikely in healthy adults. The populations groups that appear to be most at risk for a vitamin K deficiency are newborn infants, people being treated chronically with antibiotics, people with severe gastrointestinal malabsorption disorders, and the elderly.

Diseases of the gastrointestinal tract, biliary stasis, sliver diseases, cystic fibrosis, celiac disease, and Ascaris infection can interfere with enteric absorption of vitamin K.

The synthesis of vitamin K by the intestinal flora meets the requirements of this vitamin. But sterilization of the large intestine by the prolonged use of sulfonamides and antibiotics or diarrheal diseases like sprue, ulcerative colitis and conditions with reduce fat absorption may lead to vitamin K deficiency.

Vitamin K deficiency also occurs in patients with malabsorption and sometimes following prolonged use of broad spectrum antibiotic by mouths (which can destroy the colonic bacteria). Many antibiotics like penicillins, cephalosporins, aminoglycosides, chloramphenicol, amphotericin B, erythromycin are reported to cause vitamin K deficiency and hypoprothrombinemia.

Certain types of drugs can impair vitamin K function. These include warfarin and other 4-hydroxycoumarin anticoagulants and large doses of salicylates, which inhibit the redox cycling of the vitamin.

Newborn are particularly at risk because their food is limited to milk, which is low in vitamin K; their stores of the vitamin are low because inadequate amounts cross the placental and their intestinal tract is not yet populated by vitamin K-synthesizing bacteria.
Common causes of vitamin k deficiency in human

Monday, July 06, 2015

Vitamin K deficiency

Deficiency of vitamin K, an element necessary for formation of prothrombin and other clotting factors in the liver, produces abnormal bleeding.

Vitamin K deficiency can be caused by any of the following:
*A poor diet
*Crohn’s disease, ulcerative colitis
*Liver disease that interferes vitamin K storage
*The use of antibiotics, cholesterol-lowering drugs, mineral oil, aspirin and blood thinners

About one-half of the vitamin K may be provided by bacterial synthesis. Consequently, vitamin K deficiency may occur in adults subjects treated with antibiotics with antibiotics for extended period.

Low blood levels of vitamin K are associated with insulin release and glucose regulation problems, and may lead to low bone density in women.

Supplementing the diet with this vitamin enhances then bone building process by attracting calcium to the bone.

Supplemental vitamin K also reduces the amount of calcium in the urine and frees up more calcium to be used by the bone-building process.

The cardinal sign of vitamin K deficiency is an abnormal bleeding tendency, accompanied by prolonged prothrombin time; these signs disappear with vitamin K administration.
Vitamin K deficiency 

Monday, April 20, 2015

Etiology of osteoporosis

Osteoporosis is the thinning of bone tissue and loss of bone density over time. Osteoporosis results when too much bone resorption occurs, too little formation exists, or a combination of both co-exists.

A major cause of osteoporoses is less than optimal bone growth during childhood and adolescence, resulting in failure to reach optimal peak bone mass.

Thus, peak bone mass attained early in life is one of the major important factors affecting the risk of osteoporosis.

Other common causes of osteoporosis include aging, menopause, endocrine disorders, metabolic disorders, malnutrition, malabsorption, and malignancy. Menopause and ageing are the most common causes of osteoporosis.

Endocrine, metabolic and nutritional disorders are more likely to cause osteomalacia, which radiographically resembles osteoporosis but is metabolically and clinically different from osteoporosis.

Increased bone resorption results from estrogen deficiency associated the menopause in normal women also one of the major cause of osteoporosis.

Males with low levels of testosterone are also more prone. The use of tobacco and a family history of osteoporosis also increase the risk.
Etiology of osteoporosis

Tuesday, September 26, 2006

Osteoporosis

Food Nutrition
Osteoporosis is a preventable, treatable condition of weak, hollow, brittle bones that break easily. In its advanced stages, it is a painful condition affecting approximately 30 million Americans, causing fractures, typically of the hip, wrist, and spine.

Osteoporosis greatly reduces independence and the quality of life of its victims; many die from complications of osteoporosis. In the U.S., one out of every two women, and one out of eight men, develop osteoporosis.

It is never too early or too late to improve bone health. Bones are living tissues. Throughout life, old bone is removed and replaced by new bone.

Many factors affect the rate of bone addition and loss. Our bodies need calcium for proper heart, muscle and nerve function, to maintain blood pressure, and for blood clotting. If the diet doesn't provide enough calcium, we take it from our "calcium reservoir" (otherwise known as our bones).

If old bone is removed at a rate that is too fast, or if the rate of new bone replacement occurs too slowly, then gradually bones become porous and fragile. For example, 40% of the bone's density can be lost during advanced osteoporosis.

A lifelong adequate intake of calcium and vitamin D, as well as phosphorus, zinc, vitamins K and C, copper and manganese, helps bone health by increasing (as much as is genetically possible) the amount of bone formed during youth and early adulthood.

Adequate diet and hormone levels also slow down the rate of overall bone loss that occurs later in life. When recommended amounts of calcium are consumed during the bone-building years, maximum bone mass "reserves" with a consequent reduction in osteoporosis, and 50% fewer hip fractures later in life.

Many factors increase one's chance of developing osteoporosis. People at greatest risk for osteoporosis are older adults, especially women, who:
*have a family history of osteoporosis or of an adult family member breaking a bone (heredity influences peak bone mass in part because of vitamin D receptor- gene levels);

*are non-Hispanic white or Asian;

*are post-menopausal women not on hormone (estrogen) replacement therapy;

*have had low calcium intake after age 35;

*have had consistently low vitamin D intake or low sunlight exposure;

*do little weight-bearing exercise;

*smoke cigarettes;

*have a small, thin frame (adult body weight less than 125#);

*have never been pregnant;

*have a history of estrogendeficiency as a result of amenorrhea, late menarche, or an early menopause, either naturally or surgically;

*have or had excessive dieting;

*have a history of taking thyroid medication, cortisone-like medications, anti-seizure drugs, or certain other medications.

To find out more about preventing your risk for osteoporosis and bone fractures, or for treatment options, ask your health care provider. Having a bone mineral density scan is a painless test for osteoporosis especially important for women age 50 and over.
Food Nutrition

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