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Tag: "men" at biology news

A new jump start for aging blood vessels

...lar disease is the leading cause of death for both men and women in the U.S. underscores the significance of these findings. This treatment could one day lead us closer to better heart health as we age. ...

Scientists work to identify genes that contribute to early heart attack risk

...ptoms occur. The MESA study examined about 6,800 men and women, ages 45 to 84, who had no known heart disease. These participants were screened for atherosclerosis using non-invasive imaging tests. There are six study sites, including Wake Forest. The researchers said it will take about five years to...

Study of gene transfer for erectile dysfunction shows promise

...s." The results of the study, which included 11 men with ED, are reported online today in Human Gene T...us research has shown that more than 50 percent of men between 40 and 70 years old and 70 percent over age 70 may have ED. The new therapy is a potential a...

Obesity levels in US are grossly underestimated

...ge, women tend to underestimate their weight while men do not. When it comes to height, young and middle-aged men tend to overestimate their height more than women in the same age group. In 2002, the corrected prev...

AIDS study challenges conventional treatment guidelines for HIV patients

...derally funded study composed largely of Caucasian men who have sex with men. The investigators sought to estimate how much of the person-to-person variation in the rate of CD4 cell loss could be accounted for on the basis of each patient's initial viral load, in an attempt to reproduce more closely t...

Combination therapy shows promising results in patients with advanced lung cancer

... most common cause of cancer-related death in both men and women and accounts for about 29 percent of all cancer deaths. This year alone, 174,470 people will be diagnosed with lung cancer in the United States. Of those, 162,460 will die, according to the American Cancer Society. Only about 15 percent of...

Thermal imaging shatters arousal gender gap myth

... wisdom that women become aroused more slowly than men on its head. "Comparing sexual arousal between men and women, we see that there is no difference in the amount of time it takes healthy young men and w...

Study defines effective microbicide design for HIV/AIDS prevention

...counterparts. Women are about twice as likely as men to contract HIV during vaginal intercourse, according to the federal Centers for Disease Control and Prevention. In developing countries particularly, cultural and socioeconomic inequities between the sexes also can leave women more susceptible. "I...

Do angry men get noticed?

...found more rapidly than angry female faces by both men and women. In addition, men find angry faces of both genders faster than women, whereas women find socially relevant expressions...

Orange, grapefruit juice for breakfast builds bones in rats

...ion journal. Osteoporosis affects about 2 million men and 8 million women in the United States, accordin...n, because, the level of testosterone decreases as men age," said Deyhim, adding a similar study on female rats has begun. Deyhim said fresh grapefruit or...

Evolutionary forces explain why women live longer than men

...t would explain the different life expectancies of men and women, the gap is actually ancient and univers...ed mortality isn't even unique to our species; the men come up short in common chimps and many other species, Kruger added. Kruger and co-author Randolp...

New understanding of parasite cell structures may provide treatments for serious tropical diseases

...a disease that affects more than 66 million women, men and children in 36 countries of sub-Saharan Africa. The parasite is transmitted to humans through the bite of the tsetse fly, in which the trypanosome transfers from the mid-gut to the salivary glands where it enters the human bloodstream when the fl...

Gene discovery opens door to tackling disease

...ncer in Australian women, and about 2500 women and men die each year from breast and prostate cancer. ...

UCLA study finds same genes act differently in males and females

...rates. "Our findings in the liver may explain why men and women respond differently to the same drug," n...in is more effective at preventing heart attack in men than women. One gender may metabolize the drug faster, leaving too little of the medication in the ...

Hope I die before I get old?

... two age groups were about equally divided between men and women. About 35 percent of the younger group's members were from ethnic minority groups, compared with 24 percent of the older group's members. Each participant was asked to rate his or her own current level of happiness on a scale of 1 to 10, a...

UCLA study of community health project shows how group dynamics affect fitness, eating habits

...y, where CVD rates are 20 percent higher for black men and 40 percent higher for black women compared to their white counterparts. And blacks are 1.8 times as likely to have diabetes as whites." UCLA examined the results of the CHC study of 35 organizations. More than 700 staff, members or clients--most...

Polynesia explorers created worldwide web of scientific knowledge

...sity Press). Liebersohn's book explains how these men of science worked with their subjects, how they ju... officers, ministers of state or monarchs ?wealthy men who paid them to be reporters, but who also had their own "conceptions of truth." In such a dynamic,...

Researchers show how brain decodes complex smells

...n the same smell decoding system, because mice and men have similar brain structures for scent, including an olfactory bulb, the researchers said. "We wanted to understand how the brain puts together scent signals to make an odor picture. We discovered the whole is the sum of its parts," said Da Yu Lin,...

New research examines genetics of successful aging

...ated with successful aging, some of which affected men or women, but not both. "Historically women have lived longer than men on average, the prevalence of numerous serious diseases differs in men and women, and there are impo...

Study links high levels of nitric oxide to infertility and sperm DNA damage

...and 70 healthy sperm donors. Most of the infertile men had low sperm counts or poor sperm motility. They ...ge. "We found that the NO levels in the infertile men were, on average, twice as high as in the fertile men," said Dr Amiri. "However, at this stage we we...

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