A healthy reproductive system is vital for optimal fertility and overall health. Both men and women need to be aware of the possible diseases of the reproductive system and the effects these diseases could have on not only their health, but their partner’s health as well.

The loss of hearing sensitivity in one ear can happen suddenly, gradually, or can be present at birth. The term unilateral hearing loss is used to describe a hearing loss in one ear. According to the American Speech Language and Hearing Association "

In both the arms and the legs, the half closest to the body has one strong, thick, long bone. The other half of the arm or leg, the part farthest from the body, has two thinner bones. There are 206 bones in the entire human body, so the skeletal structure of the legs and arms are actually quite simple.

Children with sensitive ears, also called sensitive hearing and hyperacusis, feel discomfort when they hear everyday sounds that are tolerated by those with normal hearing. The condition can be difficult to diagnose because children might present with behavioral, rather than physical, symptoms.

Asthma is a chronic lung disease characterized by increased mucus production and airway narrowing due to swelling and tightening of the airway muscles. Inhalers are frequently used to manage asthma and treat attacks. They deliver medication directly into the lungs rather than traveling through the bloodstream.

Each time you move a part of your body, you use tendons, which are specialized structures that attach muscles to bones. They're made of tough, nonelastic tissue -- called fibrous connective tissue -- that transfers the force produced when a muscle contracts.

Lithium aspartate and lithium orotate are gaining recognition as supplements that can help decrease signs of brain aging, slow dementia, and fight depression and addiction. Lithium is a mineral that has long been used in the treatment of bipolar disorder, also known as manic depression.

Earache may occur on its own or as a common side effect of ear infection (otitis media). While the treatments for ear infection are varied, the pain may be easily remedied with ear drops. There are many brands of ear drops on the market, both over-the-counter and prescription.

Most people's bones make up about 15% of their body mass. Heavier individuals have proportionately denser bones.

As part of a urinalysis test, urine may be examined under a microscope to check for the presence of crystals. Urine contains many chemicals, some of which can form solid particles, or crystals, under certain conditions.

The University of Texas Southwestern Medical Center at Dallas describes bladder spasms as the random contractions of the bladder muscles causing the urgent need to urinate. If urination does not occur, the contractions strengthen and an involuntary release of urine, or incontinence, occurs.

An itchy sensation in your gums is generally a sign of a mild allergic reaction. Due to your body's nonspecific immune response to some allergens, itchy gums can arise from seasonal, pet, medication, food or contact allergies.