A new study reveals those with compulsive hoarding disorder assign emotional attachments to possessions as a way of compensating for a lack of emotional warmth during early development

Early-life antibiotic use leads to dysfunctional vaccine immune response in mice, but restoring gut microbiota can repair normal antibody response.

Despite its growing popularity, acupuncture is ineffective in improving live birth rates in women undergoing IVF — a randomised clinical trial resulted in no significant difference over "sham" acupuncture.

Reusable polymer that absorbs oil but repells water

A new mercury-pollution-trapping polymer is made from waste cooking oil and sulfur, field testing now.