"Peptides are short chains of amino acids that are a common ingredient in skincare products, especially anti-aging products, and can help improve the appearance of skin," explains Rachel Westbay ...

Peptides, small chains of amino acids linked by peptide bonds, have garnered increasing attention due to their structural versatility and functional diversity. Studies suggest that peptides exist ...

Is It Safe to Take Cialis Daily? Unlike other ED medications, such as Viagra® (sildenafil) and Levitra® (vardenafil), which work for four to five hours per dose, Cialis® (which contains the ...

Using peptides and a snippet of the large molecules in plastics, Northwestern University materials scientists have developed materials made of tiny, flexible nano-sized ribbons that can be charged ...

Cialis, the brand name for tadalafil, can safely treat erectile dysfunction (ED) and is available only by prescription. To receive a prescription, you can talk with a doctor directly or sign up ...

Using peptides and polymer chains, scientists at Northwestern University have developed a new type of flexible nano-ribbon material that can switch polarity in response to very low external voltages, ...

Intrigued? Below, you’ll find a list of top options for serums with peptides; we selected them after interviewing three board-certified dermatologists, asking ELLE editors for their favorites ...

PDE-5 is a protein that blocks blood flow, making it hard to get an erection. Drugs like Viagra and Cialis are considered PDE-5 inhibitors: they block this protein to encourage blood flow.

There are mints made with vardenafil (the active ingredient in Levitra), mints made with tadalafil (the active ingredient in Cialis), and a compound mint with tadalafil and sildenafil (the active ...

We describe pronounced hypotension in a patient during orthostatic testing while receiving treatment with sildenafil and tamsulosin, but not with placebo. The patient was 71 years of age and had ...