A Morse taper is measured by capturing the diameter at the large end and the diameter at the small end, then dividing the difference by the length between those two points to get the taper ratio. Calipers give you the two diameters. A micrometer or a purpose-made taper gauge gives you more precision on the … Read more
A newborn’s immune system is still developing, and their airways are tiny. That combination makes any respiratory virus a serious concern in the first few months of life. When it comes to COVID-19, protection does not come from one single action. It comes from the people around the baby. The most effective way to protect … Read more
Gallstones form when substances in bile — mainly cholesterol or bilirubin — become concentrated enough to harden into solid pieces inside the gallbladder. The most common type, cholesterol stones, develops when bile holds more cholesterol than it can dissolve. The second type, pigment stones, forms when bile contains excess bilirubin. Most people who have them … Read more
Yes, an anxiety attack can come out of nowhere. The feeling that it struck without warning is real, and it happens to many people. But “out of nowhere” usually means the warning signs were happening below the level of your awareness. Anxiety attacks feel sudden because the body’s alarm system can fire before your thinking … Read more
Oral chlamydia is a bacterial infection of the throat caused by Chlamydia trachomatis. You get it by having oral sex with a person who has a genital, rectal, or throat chlamydia infection. The bacteria pass from their infected body fluids or tissues to the lining of your mouth and throat during the contact. That is … Read more
Yes, there is a vaccine for HPV. In fact, there are three of them, and they are among the most studied vaccines in modern medicine. They prevent infection from the human papillomavirus types most likely to cause cervical cancer and genital warts. The vaccine works by teaching your immune system to recognize and block the … Read more
Dr Teal’s is a brand of bath and body products built around Epsom salt, essential oils, and other common ingredients. For most healthy adults, using these products as directed is not known to be harmful to the skin or kidneys. The real concerns are narrower: skin irritation from fragrance and essential oils, the risk of … Read more
CT stands for computed tomography. It is sometimes written as computerized tomography or computed axial tomography (CAT). The “CT” in CT scan is simply the abbreviation of that full name. A CT scan uses X-rays taken from many angles around the body, and a computer combines those images into cross-sectional pictures of what is inside. … Read more
If your blood type is A negative, B negative, AB negative, or O negative, you carry the Rh negative factor. About 15% of people in the United States are Rh negative, which means roughly 1 in 7 people share this trait with you. Rh negative is not rare in the way a rare disease is … Read more
That heavy, tight feeling in your belly — often with a dull ache or sharp cramp — is one of the most common reasons people see a doctor. In most cases, bloating and pain come from gas or fluid trapped in the digestive tract, a slow-moving gut, or a temporary reaction to something you ate. … Read more