Why are some people bitten more than others?
Researchers have identified several key factors that make some individuals more prone to mosquito bites:
Studies show mosquitoes prefer people with type O blood, landing on them nearly twice as often as those with type A. The exact cause is unclear, though it may relate to skin secretions or variations in saliva.
Mosquitoes use carbon dioxide to locate hosts. Those who emit more CO₂ — such as people with higher body mass, pregnant women or those who have just exercised — tend to be bitten more frequently.
Elevated body heat signals to mosquitoes that a host is nearby. The insects detect warmth using sensors on their legs, so physical exertion, stress or fever increases bite risk.
Sweat contains substances like lactic acid, ammonia and fatty acids, which attract mosquitoes. These concentrations rise with exercise, alcohol consumption or certain foods.
A Japanese study found that drinking just one beer increased mosquito bites by 30%. The effect may be due to a rise in body heat or changes in sweat odor.
Natural ways to keep mosquitoes away
To repel mosquitoes without chemicals, experts recommend several natural methods:
Good hygiene reduces body odors that attract mosquitoes, especially lactic acid and oils. Experts note soap isn’t always necessary — rinsing with water can suffice and prevent skin from drying out.
A suggested formula includes 1 teaspoon of 70% alcohol, 20 milliliters of cooled boiled water and 20 drops of citronella or geranium essential oil. These oils release volatile compounds that interfere with mosquitoes’ ability to locate hosts. The spray can be applied to clothing or used in room diffusers.
Herbs like basil, lemon balm, geranium and plectranthus emit mosquito-repelling scents. Placing these near windows or entryways may help reduce indoor mosquito presence.
Natural remedies for bites
If bitten, experts suggest several natural solutions to relieve itching and swelling:
The inner peel contains sugars and antioxidants with anti-inflammatory properties. Pressing it on the bite may help absorb fluids and reduce irritation.
With proven antibacterial and anti-inflammatory qualities, a thin layer of honey can calm swelling and help prevent infection caused by scratching.
Acetic acid in the vinegar relieves itching and acts as a mild disinfectant. It can be dabbed onto bites with a cotton pad, or added to a bath — about two cups — for more widespread bites.
Oats contain beta-glucans and natural antioxidants that soothe skin. Ground oats can be mixed with water into a paste for spot treatment, or added to a warm bath to ease irritation in larger areas.
Chamomile or green tea bags contain anti-inflammatory agents. When cooled and applied to the bite, they can reduce swelling and itching.
While mosquito bites are a common part of summer, experts say they don’t have to be a source of constant discomfort. With a few simple precautions and readily available natural remedies, it’s possible to get through the season itch-free.
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