'heightened challenges' is correct and usable in written English.
It means that challenges have become greater or more intense. For example, "The pandemic has created heightened challenges for businesses around the world."
The extraordinary and alarming specificity of the latest terror alert -- different in kind than all that have come before it since Sept. 11, 2001 -- poses new and heightened challenges for a government in the midst of a contested national election, and for a public both inured to the probability of further attack and profoundly unsure of what to do about it.
The release of writer-director Dee McLachlan's riveting 2007 thriller The Jammed, a fictitious examination of Melbourne sex slaves told with shocking street-level realism, embodied the excitement in discovering a great indie but warned of the heightened challenges such films face in finding an audience.
In this paper, we investigate the impact of flow (operationalized as heightened challenge and skill), engagement, and immersion on learning in game-based learning environments.
The recent and dramatic increase in demand for mobile data communication, driven by consumer devices such as smartphones and tablets, is resulting in heightened technical challenges for the wireless infrastructure that lies as a bridge in-between these mobile terminals and the wired network transferring the data between final users.
As a new member of ASCL Council, I found my own union CPD heightened to challenge any misconceptions to ensure even I was represented as a member of the teaching staff.
DUBAI — A rising tide of debt reaching maturity in the Gulf region poses a heightened refinancing challenge over the next three years, say analysts, with companies looking for new avenues of financing to repay obligations coming due amid volatility in global capital markets.
Findings indicated that maternal mental health status was not significantly related to changes in levels of child challenging behavior, heightened child challenging behavior was related to improvements in maternal depression over time, and heightened levels of child challenging behavior was related to increased feelings of maternal closeness toward the child over time.
The divergent costumes of the women signal lifestyle shifts that now confront the Apa Tani just as climate change heightens the challenges facing their Himalayan paddy paradise.
A suspension by Major League Baseball for any link to the clinic Biogenesis and performance-enhancing drugs would heighten the challenges of a meaningful comeback after Rodriguez's recovery from a hip operation.
There is a dearth of physicians who are experienced in treating people with autism, a factor that only heightens the challenges in treating these complex medical problems.
A substantial proportion of patients with ESRD are elderly and may have low educational attainment, poor health literacy and numeracy, and cognitive decline associated with their advancing kidney disease, heightening the challenges of educating patients about their RRT choices [ 15- 18].
