Lutropin (Luteinizing hormone)

Scent of tomorrow


Scientists are going to unusual lengths to discover how your sense of smell influences the way you feel, eat, sleep, interact and reproduce.

When it comes to ranking the senses, smell is the perpetual also-ran to sight, hearing, taste and touch. Yet smell is our most primal sense, and one that holds sway over many aspects of daily life. Researchers know this, and what they are now finding out about scent could one day change the way we treat depression, infertility, weight problems and insomnia.

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Lutein and zeaxanthin may protect the eyes from macular degeneration, which causes blindness in the center of one's vision.

Researchers studied more than 4,500 people aged 60 to 80 who had enrolled in the Age-Related Eye Disease Study. After six years, those who consumed the most lutein and zeaxanthin from their food had a 35 percent lower risk of macular degeneration than those who consumed the least.

The researchers found no links with vitamins C or E or beta-carotene.

Pregnancy after 35


If you're in your late 30s or 40s and trying to conceive, ovulation-predictor kits might be steering you wrong--or driving you crazy.

In a US study of 848 women, researchers recently found that the hormonal surge that usually signals "It's time!" may not really announce ovulation if you're perimenopausal and your period is irregular. (Perimenopause can start in your late 30s or early 40s.)

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