In a world that looked nothing like today’s, long before the rise of the dinosaurs or even the first trees, giant living ...

Ever since their discovery more than 165 years ago, massive fossilized structures left by an organism known as Prototaxites ...

Prototaxites, an extinct organism from the Devonian period, has been thought to be a fungus since its first fossil was ...

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The egg must experience fertilization within 24 hours, or it may begin to disintegrate, leading to menstruation or period-like bleeding. Sperm must enter your vaginal canal and travel through your ...

Dr. Anju Goel, MD, MPH, is a public health consultant and physician with more than 10 years of experience in the California public health system. Heavy periods can cause major blood loss and, in ...

There is no guaranteed method to make your period come faster, but hormonal birth control is the most reliable way to manipulate menstrual periods if you choose. Some natural remedies and lifestyle ...

Brown discharge before a period could be implantation bleeding, which indicates pregnancy, or it may be due to perimenopause. In some cases, brown discharge may indicate an underlying condition.

There is a huge selection of period products to choose from, ranging from disposable tampons to reusable menstrual cups (Credit: Getty Images) Twenty billion disposable menstrual products are ...

As a longtime menstrual-cup devotee, I’ve always been curious about period underwear. In the long run, they’re cost-effective and a reusable alternative to tampons and pads. Finding the right ...

Severe period pain, pelvic pain, painful sex, infertility, and fatigue may signal endometriosis. Early diagnosis and treatment—hormones, pain relief, or surgery—can improve life with ...