Conditions

Long QT syndrome (LQTS) is a rare heart condition that's usually inherited. It can cause serious problems with your heart rhythm, but there are things you can do to reduce the risk.

Long-sightedness is where you find it hard to see things nearby, but you can see things far away clearly. It’s a common condition and wearing glasses or contact lenses can usually correct your vision.

Low blood pressure is a reading of less than 90/60mmHg. It does not always cause symptoms, but you may need treatment if it does.

Low blood sugar (hypoglycaemia or a hypo) is usually where your blood sugar (glucose) is below 4mmol/L. It needs to be treated quickly to stop it getting worse, but you can usually treat it yourself.

Low sperm count is when there's a low amount of sperm in your semen. It can make it harder for you and your partner to get pregnant (conceive), but itmay still be possible to conceive naturally and there arefertility treatments that can help.

A low white blood cell count usually means your body is not making enough white blood cells. It can increase your risk of getting infections.

Lung cancer is one of the most common and serious cancers in Spain, with around 30,000–35,000 new cases diagnosed each year.

Lupus(systemic lupus erythematosus) is a long-term condition that causes joint pain, skin rashes and tiredness. There's no cure, but symptoms can improve if treatment starts early.

Lyme disease is a bacterial infection that can be spread to humans by infected ticks. It's usually easier to treat if it's diagnosed early.

Lymphoedema is a long-term (chronic) condition that causes swelling in the body's tissues. It can affect any part of the body, but usually develops in the arms or legs.