Mixed Messages about Teen Sex

Mixed messages

Mixed messages

plants are cloaked in hundreds of tiny projections, known as trichomes. These structures vary in function, shape, size and spacing from species to species, and it’s not known whether similar cellular differentiation programs are responsible for making trichomes in different plants. Trichomes are clearly visible in the scanning electron micrograph of a wild-type Nicotiana tabacum seedling above ...

NPY's mixed messages

According to a study on page 1575, cellular debris might help trigger the autoimmune disease systemic lupus erythematosus (SLE). Vollmer and colleagues show that endogenous complexes of RNA and protein, often released from dying cells, engage activating receptors in dendritic cells (DCs). The activated DCs then launch an inappropriate immune response against these self-complexes, thus triggerin...

Parent-teen communication about sexual topics.

This study examined parent-teen communication about sexual topics in matched samples of 666 mother-teen and 510 father-teen pairs in the US. Parents and their 8th- through 12th-grade children completed parallel surveys that assessed demographic, relationship, and attitudinal variables hypothesized to be associated with sexual communication. Logistic regression analyses were used to determine ...

Let's talk facts about teen suicide.

Other teenagers are simply overwhelmed by the uncertainties of adolescence and feel they have nowhere to turn. Their search for answers may lead them to begin “self-medicating” their pain by abusing drugs or alcohol. Or they might express their rage and frustration by engaging in acts of violence. They don’t want to talk about their emotions or problems because they may think that will make the...