The term “whether” in – Experts are questioning whether diet drinks could raise depression risk, after a large study has found a link. – introduces
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DIET DRINKS “LINK TO DEPRESSION” QUESTIONED
Experts are questioning whether diet drinks could raise
depression risk, after a large study has found a link.
The US research in more than 250,000 people found
depression was more common among frequent consumers
of artificially sweetened beverages. The work, which will be
presented at the American Academy of Neurology’s annual
meeting, did not look at the cause for this link.
Drinking coffee was linked with a lower risk of depression.
People who drank four cups a day were 10% less likely to
be diagnosed with depression during the 10-year study period
than those who drank no coffee. But those who drank four cans
or glasses of diet fizzy drinks or artificially sweetened juice a
day increased their risk of depression by about a third. Lead
researcher Dr Honglei Chen, of the National Institutes of Health
in North Carolina, said: “Our research suggests that cutting
out or down on sweetened diet drinks or replacing them with
unsweetened coffee may naturally help lower your depression
risk.”
But he said more studies were needed to explore this. There
are many other factors that may be involved. And the findings
– in people in their 50s, 60s, 70s and 80s and living in the US –
might not apply to other populations. The safety of sweeteners,
like aspartame, has been extensively tested by scientists and is
assured by regulators.
Gaynor Bussell, of the British Dietetic Association, said:
“Sweeteners used to be called ‘artificial’ sweeteners and
unfortunately the term ‘artificial’ has evoked suspicion. As a
result, sweeteners have been very widely tested and reviewed
for safety and the ones on the market have an excellent safety
track record. However, the studies on them continue and this one
has thrown up a possibly link – not a cause and effect – with
depression.”
(http://www.bbc.co.uk/news/health-20943509.09.01.2013. Adaptado)
The term “whether” in – Experts are questioning whether diet drinks could raise depression risk, after a large study has found a link. – introduces
- A)a supposition.
- B)a certainty.
- C)a denial.
- D)a dismissal.
- E)an acceptance.
Resposta:
A alternativa correta é A)
O termo "whether" na frase "Experts are questioning whether diet drinks could raise depression risk" introduz uma suposição. A palavra "whether" é utilizada para expressar dúvida ou incerteza sobre uma possibilidade, indicando que os especialistas estão considerando a hipótese de que bebidas dietéticas possam aumentar o risco de depressão, mas sem afirmar isso como uma certeza. O contexto do texto reforça essa ideia, já que os próprios pesquisadores destacam a necessidade de mais estudos e que a ligação encontrada não estabelece relação de causa e efeito.
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