Nasal irrigation flushes mucus with saline to ease allergies and congestion. Use distilled or boiled water, follow device instructions, and check with a clinician for children or after surgery.
Dust-mite allergens in mattresses can trigger nighttime asthma, rhinitis and eczema. Modern zippered mattress encasements - breathable, washable and allergen-proof - are an effective first-line measure alongside hot washing and humidity control.
Paternity testing compares DNA markers to determine biological fatherhood. Modern tests use buccal swabs or noninvasive prenatal methods, provide very high probability estimates when a man is the biological father, and require chain-of-custody procedures for legal use.