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Health Tip: You Need Vitamin B12

Health Tip: You Need Vitamin B12

Vitamin B12 helps maintain healthy blood and aids in making important proteins. People who don’t get enough can have memory problems or confusion, and are at greater risk of developing anemia, Children’s Hospital Boston says.

The hospital mentions these dietary sources of vitamin B12:

  • Poultry.
  • Seafood and fish.
  • Meat.
  • Eggs.
  • Cheese, yogurt and milk.
  • Foods that are fortified with vitamin B12, such as certain breakfast cereals.

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Calcium, not smoking may limit birth-control bone loss

Calcium, not smoking may limit birth-control bone loss

Injectable birth control is known to lower bone density, but women may be able to limit the loss by not smoking and getting even moderate amounts of calcium, a new study hints.

The findings, say researchers, show that not all women are at equal risk of bone loss from using depot medroxyprogesterone (DMPA) — better known by the brand-name Depo Provera.

DMPA is given by injection about once every three months, and is generally considered an effective, convenient and low-cost form of birth control. The contraceptive can, however, lead to significant bone loss.

While research has shown that this lost bone mass is often regained after women stop using DMPA, there are still concerns about whether substantial bone loss is completely reversible. So limiting the decline in the first place would be ideal.

In the new study, researchers found that among 95 women who used DMPA for two years, those who smoked or had a low calcium intake were at particular risk of significant bone density loss — defined as a decline of at least 5 percent in the spine or hip.

Current smokers were nearly four times more likely to lose that much bone mass as non-smokers were. On the other hand, the risk declined by 19 percent for every 100 milligrams (mg) of calcium a woman got each day.

Drs. Mahbubur Rahman and Abbey B. Berenson, of the University of Texas Medical Branch in Galveston, report the findings in the journal Obstetrics and Gynecology.

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Pomegranate compounds may ease breast cancer risk

Pomegranate compounds may ease breast cancer risk

Enzyme-blocking chemicals in pomegranates may reduce the risk of estrogen-fueled breast cancers, U.S. researchers said on Tuesday.

An acid found in pomegranates appears to block aromatase, an enzyme that converts androgen to estrogen, a hormone that plays a role in the development of breast cancer, the researchers wrote in the journal Cancer Prevention Research.

“We identified some of these chemicals in pomegranates that actually have properties that can suppress aromatase,” researcher Shiuan Chen, of the City of Hope cancer research and treatment center in Duarte, California, said in a telephone interview.

Many women who have had breast cancer take medicines called aromatase inhibitors — such as Pfizer’s Aromasin, Novartis’ Femara and AstraZeneca Plc’s Arimidex — to keep estrogen from feeding tumors.

Chen and colleagues studied whether compounds, or phytochemicals, in pomegranates can suppress aromatase and ultimately block cancer growth. They found that 10 natural compounds in the fruit may potentially prevent estrogen-related breast cancer.

Chen said the compounds would not be a replacement for aromatase inhibitors.

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