If the noise is lower, the AC service may be the cause. Magnetic fields from transformers can cause humming. Mains transformers typically cause an AC magnetic field around them. This magnetic field can be copled to wiring, electronics or signal transformers and cause humming.
Baby oil benefits: ear. Mineral or baby oil is good from treating common ear problems, such as wax build-up. For those that are hard of hearing, we recommend using a few drops of heated baby oil before going to your ear specialist. Then pour the drops in your ear, keeping your head cocked. Hold for a few minutes.
Cradle cap commonly affects babies, and an olive oil remedy can moisturize the scalp naturally. The oil removes and loosens dry flakes, and prevents the scalp from drying out. Apply 1 tablespoon of olive oil to your baby's scalp for 15 minutes, then brush her scalp with a soft-bristled brush. Wash her hair with a mild shampoo, and repeat once a week.