A new drug targeting copper transport has been shown to restore memory and eliminate toxic proteins associated with Alzheimer's disease. This treatment offers potential therapeutic benefits for cognitive decline in Alzheimer's patients.

An experimental drug combined with standard antivirals has achieved a "functional cure" for 19% of participants in two trials involving chronic hepatitis B virus (HBV) infections. These results indicate that individuals can control the virus naturally without further treatment after a 6-month regimen.

Peptides are short chains of amino acids that are gaining attention as new drugs available for mail order. The term "peptide" can have different meanings in scientific contexts compared to popular usage.