Food Intolerances

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Salt Sensitivity and Hypertension risk

Salt sensitivity is defined as the acute blood pressure change in blood pressure corresponding to a decrease or increase of sodium intake. Salt sensitivity of blood pressure is difficult for doctors to diagnose and even more difficult to treat because 14 percent of the population can have normal blood pressure and still be salt sensitive. Having a gene variant increases the odds of having blood pressure that is sensitive to salt, the researchers determined previously. This follow-up discovery explains exactly how the variant prevents the body from eliminating excess salt. Person sensitive to salt will have a higher incidence of strokes, heart attacks, kidney failure and blindness.
New findings explaining the genetic causes of salt sensitivity, the researchers determined that the genes code for a protein in the kidney that helps balance sodium elimination with sodium retention. “It’s important for the body to get rid of excess sodium because having too much sodium in the body causes the body to retain water, which can raise blood pressure and significantly shorten one’s lifespan,”

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Gluten intolerance

Gluten is a protein found primarily in wheat, barley and rye. If a person has a gluten intolerance, this protein can cause digestive problems such as gassiness, abdominal pain or diarrhea.
Gluten intolerance is sometimes confused with Celiac disease, or thought of as a food allergy. While avoiding particular foods is a treatment strategy for all three, these are not the same conditions.
Food intolerances such as gluten involve the digestive system. With a food allergy, the immune system overreacts to a particular food causing symptoms that are potentially serious or even live threatening. Celiac disease is an inherited autoimmune disorder that can damage the small intestine. Foods to avoid.
Glutens are proteins that enable wheat and other cereals to absorb water, stick together, and remain viscous and elastic. They help give bread dough its texture and make it possible for the dough to rise, for example.
Wheat, barley, and rye contain gluten, which may be present in:
1. breads
2. cookies and biscuits
3. pastas
4. semolina-based products
5. couscous
6. some beers
Gluten may also be in products that are not obviously cereal-based, such as:
1. seasonings
2. sauces
3. soups
4. canned foods
5. spices
Symptoms
An individual with gluten intolerance will develop symptoms after consuming foods containing wheat, barley, or rye. The symptoms may include: 1. bloating
2. abdominal pain
3. diarrhea
4. nausea
5. constipation
6. a general feeling of being unwell
7. Tiredness
The following may also occur:
8. anxiety
9. headaches
10. brain fog
11. confusion
12. numbness
13. joint or muscle pain
14. a skin rash

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Lactose Intolerance

Lactose intolerance is the inability to break down a type of natural sugar called lactose. Lactose is commonly found in dairy products, such as milk and yogurt. You become lactose intolerant when your small intestine stops making enough of the enzyme lactase to digest and break down the lactose. When this happens, the undigested lactose moves into the large intestine. The bacteria that are normally present in your large intestine interact with the undigested lactose and cause symptoms such as bloating, gas, and diarrhea. The condition may also be called lactase deficiency. Lactose intolerance is very common in adults, particularly those with Asian, African, and Hispanic ancestry.
According to the Cleveland Clinic, more than 30 million American people are lactose intolerant. The condition isn’t serious but may be unpleasant. Lactose intolerance usually causes gastrointestinal symptoms, such as gas, bloating, and diarrhea, about 30 minutes to two hours after ingesting milk or other dairy products containing lactose. People who are lactose intolerant may need to avoid eating these products or take medications containing the lactase enzyme before doing so.
Types of lactose intolerance
1. Primary lactose intolerance (normal result of aging)
2. Secondary lactose intolerance (due to illness or injury)
3. Congenital or developmental lactose intolerance (being born with the condition)
4. Developmental lactose intolerance
Risk factors
Factors that can make you or your child more prone to lactose intolerance include:
1. Increasing age. Lactose intolerance usually appears in adulthood. The condition is uncommon in babies and young children.
2. Ethnicity. Lactose intolerance is most common in people of African, Asian, Hispanic and American Indian descent.
3. Premature birth. Infants born prematurely might have reduced levels of lactase because the small intestine doesn't develop lactase-producing cells until late in the third trimester.
4. Diseases affecting the small intestine. Small intestine problems that can cause lactose intolerance include bacterial overgrowth, celiac disease and Crohn's disease.
5. Certain cancer treatments. If you've had radiation therapy for cancer in your stomach or you have intestinal complications from chemotherapy, your risk of developing lactose intolerance increases
Symptoms
1. Diarrhea
2. Nausea, and sometimes, vomiting
3. Stomach cramps
4. Bloating
5. Gas

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Blood pressure and Heart attack response to Caffeine

It has been evaluated acute blood pressure (BP) responses to caffeine and explored whether they are influenced by candidate gene variants affecting caffeine metabolism (for cytochrome P450 1A2), adenosine metabolism (for adenosine receptor and AMP deaminase), or catecholamine receptors. Caffeine can cause a short, but dramatic increase in your blood pressure, even if you don't have high blood pressure. It's unclear what causes this spike in blood pressure. Some researchers believe that caffeine could block a hormone that helps keep your arteries widened. Others think that caffeine causes your adrenal glands to release more adrenaline, which causes your blood pressure to increase. Some people who regularly drink caffeinated beverages have a higher average blood pressure than do those who drink none. Others who regularly drink caffeinated beverages develop a tolerance to caffeine. As a result, caffeine doesn't have a long-term effect on their blood pressure.
Effects Coffee is a complex brew, and it has many effects beyond the cardiovascular system. Some people benefit from increased alertness, but for others the neurological actions of coffee include insomnia, anxiety, or tremors. Habitual coffee drinkers develop a mild dependence, so sudden withdrawal can trigger temporary headaches or depression. Migraine sufferers may have an attack triggered by a sudden increase or decrease in coffee consumption. Some coffee drinkers benefit from an increase in bowel motility, which relieves constipation, but others develop gastroesophageal reflux and heartburn. The Harvard studies suggest that coffee drinkers enjoy a reduced risk of diabetes, gallstones, and kidney stones, and an Italian study hints at some protection from colon cancer. Coffee does stimulate urine flow, which can be a trial for men with benign prostatic hyperplasia, but contrary to common beliefs, it does not cause dehydration.