Friday, October 19, 2012

Lifestyle and Fertility


By Chris Woolston, M.S.

Humans are closely tuned to their surroundings - especially when it comes to making babies. Just as bears and elk wait for the right season to sire offspring, our bodies reach the peak of fertility only when conditions seem right for raising babies. If there's any sign of illness, malnourishment, or an unhealthy environment, our bodies may decide to put parenthood on hold.
That said, you may feel ready to start a family, but is your body getting the right signals? Many men and women are putting their fertility at risk without realizing it. If you hope to have children in the future, now's the time to start protecting your fertility. If you and your partner are already struggling to conceive and there's no medical explanation for your problem, a few lifestyle changes may help put you on the road to parenthood.
Here are some tips for a fertility-friendly lifestyle:
  • Maintain a healthy weight. The sex hormones of both men and women are closely tied to weight. According to the Mayo Clinic, heavier men may face fertility problems. Part of the reason is that an increase in abdominal fat is associated with insulin resistance and a rise in insulin production, which wreaks havoc on sex hormones. It's a problem for women, too: According to the American Society for Reproductive Medicine, a weight loss of 5 to 10 percent may dramatically improve a woman's chances of getting pregnant. When obese women do become pregnant, they are more likely to have miscarriages than lean women of the same age.
  • Get your exercise -- but don't overdo it. Regular exercise is a great way to stay trim and healthy. But if you push yourself too hard for too long, you might throw your hormones out of balance. How much exercise is too much? There are no hard-and-fast rules. But as a general guide, the American Society for Reproductive Medicine says men and women trying to conceive probably shouldn't run more than 10 miles a week. In addition, grueling mountain-biking (2 hours a day, 6 days a week) has been associated with lower sperm counts and abnormalities of the scrotum, according to a recent study. If you enjoy hours of biking, consider investing in shock-absorbers and cushioned seats.
  • Eat a balanced diet. Shortfalls in nutrients such as Vitamin C, zinc, and folic acid can slow sperm production in men. Women who are trying to conceive should also take a supplement containing at least 400 micrograms daily of folic acid, a nutrient that can prevent birth defects, according to the U.S. Food and Drug Administration.
  • Don't smoke. Smoking can slightly lower a man's sperm count and may even contribute to impotence. But as reported in the journal Nature Medicine, smoking is especially hard on prospective moms. Smoking can interfere with virtually every aspect of a woman's fertility, from ovulation to early development of the embryo. If you're a female smoker with fertility problems, kicking the addiction should be your top priority.
  • If you drink, stop. As reported in Nature Medicine, moderate drinking usually won't lower sperm count in men or harm fertility in women. But large amounts of alcohol (usually defined as more than two drinks per day for men and more than one drink per day for women) may lower your odds for parenthood. Women who are trying to conceive should stop drinking entirely, according to federal health agencies: pregnancy may occur before the woman is aware of it, and alcohol can permanently harm a developing fetus.
  • Stay clear of recreational drugs. According to the Mayo Clinic, marijuana, cocaine, and anabolic steroids can all contribute to infertility in men. Women trying to get pregnant, of course, should avoid recreational drugs and alcohol because of the potential danger to the fetus.
  • Check your medicine cabinet. Some prescription drugs can impair fertility in both men and women. For men, the list of potential culprits includes the heartburn medication cimetidine (Tagamet), the rheumatoid arthritis drug (Azulfidine), and several chemotherapy drugs. A woman's fertility may be hampered by certain antibiotics, painkillers, antidepressants, and hormonal treatments. Ask your doctor if any of your medications could be causing infertility. A change of prescription just might solve the problem.
  • Men, don't take infertility sitting down. Whenever you spend long hours sitting -- whether it's in front of a computer screen or behind a steering wheel -- the temperature of your scrotum and testes may rise a few degrees. As the heat rises, sperm production can plummet. Although there's no hard evidence on this point, Nature Medicine warns that "our increasingly sedentary habits" threaten men's fertility. If you want to increase your sperm count, the theory goes, it's best not to spend all day planted on your backside. You should also avoid saunas or long soaks in hot baths, which can lower sperm count.
  • Keep an eye on fertility research. A Stony Brook University Hospital study found that men may be feeling the heat from a new direction -- laptop computers. Researchers found that holding a laptop computer on a man's lap for only an hour raised his testes temperature by 4.9 degrees Fahrenheit, which might be enough to impair fertility; another found an association between men carrying a cell phone in their pocket or clipped to their belts and reduced sperm motility and quality. In both cases, further research is needed to confirm the findings, say researchers.
On the whole, the game plan for protecting fertility looks much like the basic strategy for good health: Watch your weight, exercise, eat well, and avoid smoking and heavy drinking. These habits are good for anyone. With any luck, you can pass them on to your kids.
References
Raymond, Joan. Is that a phone in your pocket? A new study finds that radiation emitted by cell phones may lower sperm quality. September 18, 2008 (referring to a study by the Cleveland Clinic).
Sharpe RM and S Franks. Environment, lifestyle and infertility-an intergenerational issue. Nature Medicine. October 1, 2002. 8 (S1), s23-s28
Sandlow, JI. Shattering the myths about male fertility. Postgraduate Medicine. May, 2002. 107(2)
Mayo Clinic. Infertility.
American Society for Reproductive Medicine. Patient fact sheet: Exercise, weight, and fertility.
Scientists say laptops a risk to male fertility. Newsday. December 9, 2004
Mayo Clinic. Infertility: Causes. June 2006. http://www.mayoclinic.com/health/infertility/
American Society for Reproductive Medicine. Weight and Fertility. August 2001. http://www.asrm.org/Patients/FactSheets/weightfertility.pdf
American Pregnancy Association. Male Infertility. http://www.americanpregnancy.org/infertility/maleinfertility.html



Does Low Testosterone = Diabetes?


By Julian Whitaker, M.D., Lifecript Alternative Medicine Expert

Diabetes and low testosterone go hand-in-hand: One in three diabetic men have low testosterone. But one potential cause of diabetes is low testosterone. So which came first, testosterone deficiency or diabetes?

A study published in Diabetes Care may answer that question. Finnish researchers measured levels of sex hormone-binding globulin (SHBG) and testosterone in 702 middle-aged men who had no blood sugar problems, and then reexamined them after 11 years. 

At the time of follow-up, 147 had developed metabolic syndrome (a combination of conditions that increases risk for heart disease) and 57 had diabetes. Most important, the men with the lowest testosterone levels were nearly two and a half times more likely to have developed diabetes or metabolic syndrome.

The idea that diabetes can be treated by normalizing testosterone levels is picking up speed. A study looking at supplemental testosterone as an adjunct therapy is underway, and many physicians who use bioidentical hormones have been treating patients with it for years.

Men over the age of 45 should have their testosterone level tested. If it’s low, replacement should be considered. In addition to regulating insulin, testosterone reduces body fat, increases libido, boosts energy levels, and improves mood and memory. Testosterone requires a prescription and may be obtained from compounding pharmacies, or pharmacies that mix drugs to fit patients’ needs.

Yours in good health,
Dr. Whitaker

Julian Whitaker, M.D., Lifecript Alternative Medicine Expert


About Dr. Julian Whitaker


Dr. Julian Whitaker is the founder and director of the Whitaker Wellness Institute, where for more than 30 years he has helped treat tens of thousands of people—many with serious, chronic illnesses—who have been failed by conventional medicine.
Motivated by a belief that no patient is too sick to recover their health, Dr. Whitaker combines therapeutic lifestyle changes, targeted nutritional support, and other cutting edge natural therapies to jump-start the body’s innate healing ability. He is widely known for teaching people how to achieve and maintain healthy blood sugar levels, but also routinely sees patients with pain, cardiovascular concerns, and other age-related health issues.
Dr. Whitaker graduated from Dartmouth College and went on to earn his MD from Emory University. He completed his surgical internship at Grady Memorial Hospital and continued at the University of California in San Francisco in orthopedic surgery.
During his residency, an encounter with a young patient inspired Dr. Whitaker to begin researching nutritional supplements and other natural therapies ignored by medical schools. His emerging conviction that natural therapies held more potential for restoring health and preventing disease than did conventional medicine eventually led him to “take the road less traveled,” and redirect his career into alternative medicine.
In 1974, along with four other doctors and two-time Nobel Prize winner Linus Pauling, Dr. Whitaker founded the California Orthomolecular Medical Society. In 1976, he joined the staff at the Pritikin Longevity Center, and in 1979 he founded the Whitaker Wellness Institute. Today, Whitaker Wellness is the largest alternative medicine clinic in the United States and has served more than 40,000 patients since opening.

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