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Posted by bio_man   April 3, 2019   3650 views

If you were to guess, what do you think ancient humans used as contraceptives? It's definitely hard to list even a couple of ideas given how far we've come since the start of the 20th century. 

According to historians, the first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Dried dung was inserted into the vagina to form an impenetrable barrier. Other pessaries used back in the day included tree sap, lemon halves, cotton, wool, sea sponges, and elephant dung.

Later on, however, condoms made of animal bladders or intestines were also reportedly used. Luckily, in 1844, Charles Goodyear obtained the first patent for a rubber condom. [ ... ]

Contraceptive Egyptians
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Posted by bio_man   April 1, 2019   3539 views

Asthma is one of those illnesses that is so common that we never stop to question what causes it and how it could be treated. Affecting more than 25 million people, asthma is one of the most common chronic respiratory conditions in the United States. It is caused by the increased reactivity of the tracheobronchial tree to various stimuli, including exercise, allergies, or infections of the respiratory tract. Symptoms include, but are not limited to breathlessness, cough, wheezing, and chest tightness.


Common Triggers of Asthma

The most commonly used medications for asthma are: bronchodilators, xanthine derivatives, leukotriene inhibitors, corticosteroids, and mast cell stabilizers (see full list below). Xanthine derivatives treat asthma by re [ ... ]

Disease Asthma Respiratory System Chronic Disease medicine treatments
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Posted by bio_man   April 1, 2019   2034 views

"The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be."

Eye fact anatomy muscles poster did you know?
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Posted by bio_man   March 31, 2019   2005 views

Try imagining for a second how it'd feel to lose your eyesight. It's almost unimaginable because your vision is perhaps the most valuable tool for survival. This is why we need to constantly protect our eyes and learn what could potentially ail them. Below is a list of five common illnesses that plague the precious eyes of people around the globe.

Glaucoma

Glaucoma is damage to the optic nerve, often caused by elevated intraocular pressure. It results from excessive production of aqueous humor or diminished ocular fluid outflow. Glaucoma is a leading cause of blindness, secondary to optic nerve damage.

As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans [ ... ]

Health Eye Glaucoma Astigmatism Blindness Cataract Pink eye Myopia
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Very good information to know
Posted on Mar 31, 2019 by Ad
Posted by bio_man   March 28, 2019   510 views
1. Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

2. About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

3. Approximately 500,000 babies are born each year in the United States to teenage mothers.

4. The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

5. Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the Un [ ... ]

Pregnancy Babies Factoids
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Bonus: According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.
Posted on Apr 3, 2019 by bio_man
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