"heightened risks" is correct and usable in written English.
You can use it when you need to refer to the increased dangers or hazards associated with a particular situation. For example, "The lack of safety protocols has resulted in heightened risks for workers in the warehouse."
It cited heightened risks of the country's growth prospects.
Both of those calculations now involve heightened risks as the 2012 elections approach.
"Civilians in Yarmouk are facing starvation and dehydration alongside the heightened risks of serious injury and death from the armed conflict," said Christopher Gunness, a UNRWA spokesman.
Loss of the ovaries plunges women into menopause, potentially leading to hot flashes, a reduced sex drive and heightened risks of heart disease and bone loss.
Concerns about heightened risks of heart attack with GlaxoSmithKline's pill Avandia created a storm of controversy around the F.D.A. and its safety standards for popular diabetes treatments.
These are extraction methods when the second stage of labour is taking too long (more than two hours) and there are heightened risks for either mother or baby.
"For generations, they have relied on fairly set weather patterns and an environment that has served them well, but now they are undergoing great change and heightened risks to their health, security and welfare".
Christopher Fomunyoh of the US-based National Democratic Institute said the current system of passing ballot boxes through several local levels before finally rubber-stamping them at the electoral headquarters heightened risks of fraud.
Additional perspectives on geopolitical matters can be obtained from Web sites run by foreign governments, including those of Britain (www.fco.gov.uk), Canada (www.voyage.gc.ca) and Australia (www.dfat.gov.au); however, these sites do not address the heightened risks specific to Americans.
"While we recognize heightened risks, with the stock's recent declines we are more positive about Twitter's potential upside than we have been in some time," analyst Brian Wieser wrote, though he did lower the stock's target price significantly in the same note to investors.
It said: "Despite signs of resilience in economic performance in 2011, we see heightened risks to Spain's growth prospects due to high unemployment, tighter financial conditions, the high level of private sector debt and likely economic slowdown in Spain's main trading partners".
