Efforts to develop next-generation vaccines are underway, such as nasal vaccines that researchers hope might do a better job of blocking infection. Genetic changes called mutations happen as ...

There was no effect of insulin in the larger cohort using the second device. In a subsequent Phase 2 study to determine how much insulin entered the brain after nasal delivery, 19 people received 40 ...

It is important to understand how tanning nasal sprays work, their possible side effects, and safer ways to achieve a tan. Tanning nasal spray contains what is known as melanotan II, an ingredient ...

Sunscreen is available in multiple formats, including lotions and sprays. Lotions and sprays can be effective if used properly. However, applying enough spray to all needed areas can be difficult.