PSICONLINE NEWS n.202 - 25.7.2004
- Stress nemico delle donne, altera gli ormoni
- Anziani: un decalogo contro caldo e solitudine
- FOR MANY ADOLESCENT GIRLS,PREGNANCY MAY BE NO ACCIDENT
- What do babies think before they start talking?
Stress nemico delle donne, altera gli ormoni
Lo stress fa male alla salute delle donne influenzando la quantita' di ormoni
chiave per l'organismo che possono anche interferire con il ciclo mestruale
e con la fertilita'.
A dimostrarlo e' una ricerca, pubblicata sul European Journal of Endocrinology,
che porta la firma italiana: troppo stress quotidiano e' legato all'iperprolattinemia,
cioe' l'eccesso di ormone prolattina nel sangue.
Questo e' il primo studio, spiega Nicoletta Sonino dell'Universita' di Padova,
in cui si fa il confronto tra soggetti con iperprolattinemia e soggetti sani,
prima si era solo osservata una tendenza a sbalzi di prolattina in persone
sane sotto stress.
Anziani: un decalogo contro caldo e solitudine
Si chiama «Sole sì, soli no» la nuova campagna di solidarietà per
gli anziani messa a punto dalla Comunità di Sant’Egidio mentre
l’estate entra nel vivo e nel ricordo dello scorso anno, con alcune migliaia
di decessi in più tra gli anziani.
Sono - ha spiegato alla Radio vaticana Silvia Marangoni, della Comunità di
Sant’Egidio - «quattordici consigli per vivere più freschi,
e soprattutto per vivere. Si tratta di non uscire nelle ore più calde;
di bere tanto, fornendo al corpo quell’apporto idrico necessario. Poi
alcuni consigli alimentari: la necessità di mangiare frutta e verdura,
evitando quegli alimenti che risultano più impegnativi e che, quindi,
indeboliscono l’organismo. Ancora, non assumere un certo tipo di farmaci
o, comunque, rivedere le posologie dei medicinali».
FOR MANY ADOLESCENT GIRLS,PREGNANCY MAY BE NO ACCIDENT
As social scientists and health educators grapple with causes of adolescent
pregnancy in the United States, some researchers suggest that one component
of the problem has been largely ignored. Though most adolescent pregnancies
are accidental, a substantial number of girls want to get pregnant.
Susan L. Davies, Ph.D., of the University of Alabama at Birmingham’s
School of Public Health and colleagues, questioned 455 low-income, African-American
adolescent girls in Birmingham, Ala., aged 14-18 between 1996 and 1999, and
found that nearly a quarter (23.6 percent) expressed some desire to become
pregnant in the near future.
“Adolescent pregnancy research has predominantly focused on factors associated
with pregnancy occurrence and overlooked the possibility that pregnancy is a
desired outcome for some adolescents,” Davies says. Instead, she adds,
successful pregnancy prevention programs need to discern between factors that
contribute to intentional versus accidental pregnancies among teen girls.
In their research, published in the August 2004 issue of Health Education & Behavior,
Davies and her team tried to identify some of those factors. Self-administered
questionnaires asked participants about their desire to be pregnant, their
relationships with males and their birth control use.
What do babies think before they start talking?
Babies as young as five months old make distinctions about categories that
their parents do not, revealing new information about how language develops
in humans. The research by Sue Hespos, assistant professor of psychology
and human development at Vanderbilt University, and Elizabeth Spelke, professor
of psychology at Harvard University, was published in the July 22 issue of
Nature in the article “Conceptual precursors to language.”
“It's been shown in previous studies that adults actually categorize things
differently based on what language they speak,” Hespos said. “So,
if language is influencing adults' thought, one of our questions was, what's
going on with preverbal infants? Do children think before they speak?
“Language capitalizes on a pre-existing system of ‘I live in a 3-D
world, I know how objects behave and interact,'” she continued. “This
pre-existing ability suggests that children do think before they speak. ”