Vitamin D deficiency
Vitamin D deficiency occurs when your body doesn't get enough vitamin D to function well. Learn about the symptoms and how to get enough vitamin D.
Read more
Vitamin D test
Vitamin D is important for bone health. A vitamin D blood test checks the level of 25-hydroxy-vitamin D in your blood. Find out more here.
Read more
Parathyroid glands
Your parathyroid glands are small glands that are found in your neck and make parathyroid hormone (PTH). Find out more about PTH here.
Read more
Skin cancer and melanoma
Skin cancer and melanoma occurs when skin cells grow abnormally, usually from too much exposure to ultraviolet (UV) radiation from the sun.
Read more
Blood tests A-Z
From the fasting blood glucose test to the prostate (PSA) test, there are many kinds of blood tests. Browse the index and learn how to prepare for your test.
Read more
Vitamin D and your health
Vitamin D is important for our health. Read about sources of vitamin D – sunlight and foods – and what happens if we don’t get enough vitamin D.
Read more
Dietary supplements
Dietary supplements are also called food supplements or vitamins, and may fill any nutritional gaps in your diet. But most people don't need them.
Read more
Calcium blood test
A calcium test indicates how much calcium is in your blood. Find out how this test helps doctors diagnose, monitor or treat your illness.
Read more
Routine antenatal tests
During pregnancy, you'll be offered various blood tests and ultrasound scans. Find out what each test can tell you about you and your baby's health.
Read more
Bone density scan
Find out if you need a bone density scan and how this medical test is used to help identify low bone density and diagnose osteoporosis.
Read more
