From finger length to grip strength, people’s hands can reveal some surprising disease risk factors. A US abstract website recently summarized this.
First, the length of the finger can reveal the risk of arthritis
Researchers at the University of Nottingham in the UK published a study in Arthritis and Rheumatism that showed that women with long ring fingers longer than the index finger (usually male) were twice as likely to develop knee osteoarthritis. Low estrogen levels may be an influencing factor. The same finger characteristics are associated with higher athletic ability and linguistic aggression in men and women. For men, the ring finger is significantly longer than the index finger (indicating a surge in testosterone levels in the uterus during the second trimester) and there is a correlation between the number of children and the relationship with women, but they are at higher risk for prostate cancer.
Second, hand tremor reveals Parkinson’s disease
A trembling hand may be taking too much caffeine or taking the side effects of certain medications such as asthma medications and antidepressants. However, if this problem occurs repeatedly, it is best to see a doctor. A hand shock may be the first symptom of Parkinson’s disease, but it may also be primary tremor, an uncontrollable tremor that can be treated with medication.
Third, nail color reveals kidney disease
Researchers at PSG Hospital in Coimbatore, India, examined 100 patients with chronic kidney disease and found that 36% of them had white bottoms and brown tops. This condition of the nail may be caused by an increase in certain hormone concentrations and chronic anemia, both of which are characteristic of chronic kidney disease. If you notice that the upper and lower parts of the nail are not the same color, or if there is a black vertical stripe under the nail bed, you need to see a doctor immediately. This may be a sign of melanoma, a type of skin cancer.
Fourth, grip strength reveals heart health
Researchers at McMaster University in Canada published a study in the Lancet that followed a four-year follow-up survey of nearly 140,000 adults between the ages of 35 and 70 in 17 countries. The weak grip indicates a high risk of heart attack or stroke and a low probability of survival. Grip force predicts death more accurately than systolic blood pressure. Grip strength is a sign of overall muscle strength and fitness. Therefore, systemic strength training and aerobic exercise can reduce the risk of heart disease.
Five, palm sweating reveals hyperhidrosis
Excessive hot and humid hands may be a symptom of menopause or thyroid disease, it may also be hyperhidrosis, in which case excessively active sweat glands cause an increase in sweating. Most people with this disease sweat only from one or two parts of the body, such as the armpits, palms or feet. The doctor will prescribe a powerful antiperspirant to reduce the amount of sweat produced.
Six, fingerprints reveal high blood pressure
Researchers at the University of Southampton in the United Kingdom examined 139 fingerprints and found that people with spiral patterns on one or more fingers were more likely to have high blood pressure than those with arched or bucket-shaped fingerprints. The more fingers with a spiral fingerprint, the higher the blood pressure. The spiral pattern of the fingertip is a sign of fetal development at certain stages of pregnancy, which may affect future blood pressure.
Seven, pale hands reveal anemia
There are many different forms of anemia, including acute and chronic anemia, which are associated with other health risks such as sickle cell anemia and hypothyroidism. When a person does not have a sufficient number of healthy blood cells to carry oxygen, he or she will develop anemia. A common symptom of anemia is pale skin, especially the skin of the hands and the nail bed.
Eight, rod-shaped nails reveal lung disease
Rod-shaped nails show a rounded fingertip and a large curvature of the fingernail, which is associated with many different diseases. One of them is lung disease, where low levels of oxygen in the blood cause the nails to be rod-shaped. Medical scientists at the Mayo Clinic in the United States believe that rod-shaped nails are also associated with inflammatory bowel disease, cardiovascular disease, liver disease and AIDS.
Nine, there are red spots on the palm
This secondary symptom of palm erythema may be caused by a variety of diseases. A health hazard associated with this condition is liver disease. Some patients also feel warm in the palm of their hands.
Ten, knuckle swelling
A hard yellow bump on the knuckles may be a fatal, hereditary high cholesterol disease known as familial hypercholesterolemia. The patient’s fat (xanthoma) is deposited on the tendon and collects on the hands, elbows or knees.