Restore Rather Than Replace Testosterone to Preserve Male Fertility

Some medications used to treat low testosterone levels are known to cause a reduction in sperm count.  This particular side effect can be especially alarming for men using testosterone replacement therapies, such as topical testosterone gel, as part of a regimen to treat male infertility.  The report of a study recently published in the medical journal, BJU International ... more »

Newly Discovered Edit Mechanism Identifies Which Eggs Are Too Damaged for Conception

Many pregnancies end in the very early stages, sometimes even before pregnancy is suspected.  Spontaneous termination is almost always the result of DNA damage too severe to support life. ... more »
default image

Lung Cancer

Exposure to cigarette smoke causes as many as 443,000 deaths in the United States each year; an additional 49,000 lung-cancer deaths are caused by secondhand exposure. ... more »
default image

Birth Control for Cancer Prevention

The risk of developing certain forms of cancer can be decreased by using hormonal birth control. ... more »
Healthy young man exercises

Exercising Teens Face Reduced Risk of Cancer in Middle Age

A recent study from Vanderbilt University has uncovered an added benefit of exercise: when girls were exercising regularly as teens, they faced a reduced risk of cancer when they reached middle age. ... more »
default image

HPV: Stem Cell Division Determines Cancer or Cure

The reason why some people find their HPV infections go away while others develop cancer has remained a mystery to medical science. ... more »
default image

Absence of DNA-Organizing Protein Affects Sperm Quality, Male Fertility

A study conducted in 2007 revealed a protein, Chd5, re-organizes the DNA of a cell in a way that stops development of cancerous tumors. ... more »
default image

E-Cig: Nicotine-Laced Surface Residue a Third-Hand Exposure Risk

Electronic cigarettes (e-cigarettes) have become a booming business, with sales doubling each year since 2008. The claim is they are better than smoking tabacco cigarettes. But is this true? ... more »
default image

Third-Hand Smoke Puts Infants, Toddlers at Risk for DNA Damage, Cancer

Third-hand smoke, the gunk that settles on floors, furniture, draperies, and even kids' toys, has the potential to damage DNA. ... more »
default image

Gene Manipulation May Someday Overcome Infertility Caused by Cancer Treatments

Researchers at Cornell University in Ithaca, New York, have found a way to reverse the damage done to the immature eggs (oocytes) of female mice exposed to radiation. ... more »