“Human teeth may have one to four root canals, depending on the anatomy of the tooth. Extra canals may branch out from the main canal, called “accessory canals.” The number of canals and the anatomy can vary among teeth. Robert Daly / Getty Images Any trauma or infection of the nerve will result in the need for root canal therapy. American Association of Endodontists.What is a root canal? 2016;11(10):e0165329. doi:10.1371/journal.pone.0165329...

People of all skin tones can have rosacea. Understanding these options can help you make an informed decision about which is best for you. Topical treatments are often the first line of defense for managing mild to moderate rosacea. Verywell Health | Guido Mieth What Treatment Option Is Best? Laser treatments can also offer relatively quick improvements but may require multiple sessions. The most effective treatment for rosacea depends on the punch in of rosacea and severity of symptoms....

Rosaceais usually constant, but it can come and go or flare up at times. Some areas ofskinaffected by rosacea, especially the nose can become thickened over time. It is usually symmetric, affecting both sides equally. Verywell / Brianna Gilmartin The condition can flare up, with partial or complete improvement between flare-ups. Rare Symptoms Some people may experience rosacea of the eyes, a condition called ocular rosacea. Rosacea is more common among people who have light skin....

There are four types of rosacea that are thought to be resulting from genetic and environmental factors. It can also affect the chin, neck, and other parts of the body. Reproduced with permission from DermNet New Zealand and Dr. Mashihul Hossainwww.dermnetnz.org2023. Verywell / Nusha Ashjaee Eyes can appear to be bloodshot. Cysts and severe swelling can cause long-term damage and may affect vision. What Causes Rosacea? Reproduced with permission from © DermNet New Zealand and © Dr....

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This essential oil is extracted from rosemary leaves and the flowery tops of the plant. Rosemary is commonly found as fresh or dried leaves and is used in various recipes. Rosemary’s benefits have been touted for centuries. Mariia Siurtukova / Getty Images There has been an interest in using rosemary essential oil to develop new medicines for treating various conditions. This article covers the applications of rosemary essential oil, possible health benefits, side effects, and more....

Rotator cuff surgery recovery happens in phases. This article explains what to expect as you heal and recover from rotator cuff surgery. It covers each phase of post-surgery recovery, from the day of surgery to six months after. SDI Productions / Getty Images SDI Productions / Getty Images Day of Surgery Rotator cuff surgery is an outpatient procedure. Overnight stays in the hospital are generally unnecessary. After surgery, your arm will be placed in a sling....

Warning signs of a torn rotator cuff are typically felt in the shoulder area. Age increases risk.Nonsurgical treatments can aid in healing rotator cuff injuries. Serious tears may require rotator cuff surgery. Illustration by Julie Bang for Verywell Health Depending on severity, the healing process can take several weeks or months. Illustration by Julie Bang for Verywell Health What Does a Torn Rotator Cuff Feel Like? Not every rotator cuff tear causes pain....

Rotting teeth can cause sensitivity and pain in the teeth and gums. PeopleImages / Getty Images What Causes Rotten Teeth? What Are the Signs of Rotting Teeth? PeopleImages / Getty Images White spotson your teeth are a symptom of mineral loss and an early sign of tooth decay. In severe cases of tooth decay, there may also be noticeableabscesses(pus-filled pockets) or swelling. What Are the Symptoms of Rotten Teeth? You may feel the physical symptoms of tooth decay before any visible signs are recognized....

Intravenous, Percutaneous, and Other Ways to Administer Medications Prescription drugs can be administered in various ways. Your healthcare provider or pharmacist will instruct you on the route of administration needed for your medication. Most drugs are manufactured for a specific route of administration and must be used as directed forsafety and efficiency. Jorg Greuel / Digital Vision / Getty Images This article goes over the different ways medication can be administered....

Almost all children get RSV at least once by the time they turn 2 years old. The common cold is an upper respiratory tract infection resulting from different viruses, most commonlyrhinovirus. A cold shares many symptoms with RSV but is less likely to cause severe illness. Westend61 / Getty Images Babies with RSV may be irritable, fatigued, and have breathing difficulties. Up to 10,000 older adults in the United States die from RSV complications each year....

Like its name suggests, this condition is common in runners, but also occurs in other populations. Recovery typically lasts a few weeks once aggravating activities, like running, jumping, or squatting. Fortunately, conservative treatments like performing exercises and getting physical therapy can help reduce your symptoms. Sergey Mironov / Getty Images This article will review symptoms, causes, and treatments for runners knee and tips to help with recovery. If left untreated, pain can worsen and lead to cartilage breakdown and arthritis of the kneecap....

A perforated bowel is life-threatening and requires emergency surgery. About 30% of people with a ruptured colon do not survive. This figure includes people who are treated with emergency surgery, due to the risk of complications. milan2099 / Getty Images milan2099 / Getty Images Ruptured Colon Symptoms The signs and symptoms of a ruptured bowel can vary. They may start slowly or be quite fast, depending on the cause. Symptoms may include:...