Mark Ziats, MD, PhD
Internal Medicine Physician
wikiHow's Editorial Process wikiHow partners with over 1000+ experts from a wide range of fields to ensure our content is accurate and based on well-established research and testimony. Content Managers conduct interviews and work closely with each expert to review information, answer reader questions, and add credible advice. Learn more about our editorial process and why millions of readers trust wikiHow.
Co-authored Articles (43)
11 Chlamydia Symptoms, Treatment, and More for Men
Medically-backed ways to detect a chlamydia infection in males Chlamydia is the most common sexually transmitted infection (STI) caused by bacteria, with almost 2 million cases being reported to the CDC in 2023. It’s o...
How to
Kill Pinworm Eggs
Enterobiasis, also known as pinworms or threadworms, are a type of parasite that can infect people and live in the intestines. Pinworms are a real problem for children. Learn how to kill pinworms so you can treat them if...
How to
Get Rid of Moles on Your Face
Most moles are not a health threat, but if a mole shows up on your face, it can be a major cosmetic inconvenience. Treating moles on your face can also be difficult since some procedures can leave a scar behind. While pr...
A Complete Medical Guide to Cold Sores on the Nose (with Pictures)
How do you prevent nasal cold sores from spreading and coming back?Cold sores, which are sometimes called fever blisters, are a viral infection experienced by many people. They are caused by the herpes simplex virus (HSV...
17 Pro Tips to Start Living a Healthier Lifestyle
The ultimate guide to improving your physical and mental well-beingLiving a healthy lifestyle is all about choosing to make healthy choices each day. Adding more nutritious foods to your diet, making an effort to exercis...
How to
Get Rid of a Black Eye
A black eye can be both painful and embarrassing. Thankfully, black eyes are not often serious and will usually go away without extensive treatment. Unfortunately, there is not much you can do to get rid of a black eye f...
How to
Calculate Blood Alcohol Content (Widmark Formula)
Blood alcohol content (BAC) can be calculated with simple information such as a person’s weight, gender, and the amount of alcohol consumed in a given period. The most common formula for calculating BAC in this way is ...
How to
Cough Up Phlegm
Coughs can be either a non-productive cough, which is dry, or a productive cough, which is wet. When you have a wet cough with phlegm, it generally means there is an infection or inflammation in your system. In order to...
How to
Treat Pyogenic Granuloma
Pyogenic granuloma, also known as lobular capillary hemangioma, is a common skin condition for individuals of any age, though it is most common in children and young adults. It grows rapidly and is characterized by small...
How to Treat Bumps on Your Tongue Fast: 12 Top Remedies & Treatments
Get rid of tongue bumps in no time with our comprehensive treatment guideIf you have yellow or red bumps on your tongue, you could be suffering from a common condition called transient lingual papillitis, which is someti...
How to
Pop a Blood Blister
A blood blister is a pouch on the top layers of skin which contains blood or bloody fluids. Blood blisters are commonly due to pinches, bruises, or repeated rubbing of the area. A blood blister can happen anywhere, but t...
How to
Tell if You're Going Bald
Is it your imagination, or is it starting to look thinner up top? What's all that hair doing in the drain filter? You used to look like one of the Beatles during their heyday and now it looks like you can actually see yo...
How to
Recognize Genital Warts
Experts say that genital warts typically appear as whitish growths or bumps that can be found on your vulva, vagina, cervix, penis, scrotum, or anus. Genital warts are caused by a sexually transmitted infection, which is...
How to
Get Viagra
Prepare for your appointment ahead of time with these questionsViagra is the brand name of the drug sildenafil, which is commonly prescribed to treat erectile dysfunction. Viagra works by enhancing the effects of nitric ...
How to
Get Rid of Bronchitis
Research shows that bronchitis, or an inflammation of the bronchi in your lungs, can cause prolonged, excessive coughing. This inflammation is usually caused by a virus, bacteria, allergies, or autoimmune diseases. Acute...
How to
Treat Pinpoint Petechiae
Research suggests that petechiae, or small purple or red spots on your skin, is caused by damage to the blood capillaries underneath the skin. Capillaries are the ending of blood vessels that form a microscopic meshwork ...
How to Lose Weight While Taking Phentermine
A guide to safely taking phentermine while dieting and exercising Over 1.9 billion people are overweight, and of those 1.9 billion, at least 600 million people are obese. Even though obesity can be tied to a variety of h...
How to
Heal a Sore Arm
Sore arms are common and are usually the result of exercise, sports or repetitive motion. Symptoms can include pain, swelling or cramps. Minor problems usually resolve on their own. Though you should see a doctor if the ...
How to
Perform an Autopsy on a Human Being
An autopsy is performed on a deceased human being by a pathologist, who is a medical doctor, an MD, who also did a 4-year residency in anatomic pathology. In general, autopsies are performed to determine 4 specific thing...
How to
Treat Chicken Pox Scars
Chickenpox affects many children, teens, and adults each year. This virus leads to the formation of painful itchy blisters all over the body. Sometimes, these blisters can leave scars. If you have chickenpox scars, there...
