How farsightedness changes with age

How farsightedness changes with age

VnExpress
Farsightedness can emerge early, but many individuals only detect it after age 40, as the eyes age and accommodative ability declines, leading to blurred vision and eye strain.
Silent signs of stomach cancer

Silent signs of stomach cancer

VnExpress
Persistent abdominal pain, unexplained weight loss, nausea after meals, difficulty swallowing, or prolonged fatigue can be easily overlooked indicators of stomach cancer.
Why does allergic asthma easily recur?

Why does allergic asthma easily recur?

VnExpress
Allergic asthma easily recurs if patients only treat symptoms during an attack, self-discontinue medication, or have prolonged exposure to dust, mold, or pet dander.