Sentence examples for have proven complex from inspiring English sources

Unfortunately, prevention and treatment of obesity and related complications have proven complex, and successful strategies to tackle this pathology remain limited.

But in practice, things have proved complex.

Crime and policing have proved complex issues for Mrs. Clinton.

Unfortunately, most processes designed to do this have proved complex and inefficient.

Talks with European banks on a voluntary debt rollover have proved complex enough that they may drag on well into the summer.

Talks with European banks on a voluntary debt rollover have proved complex enough to suggest that they may drag on well into the summer.

Efforts to measure child QOL have proved complex but a number of generic and disease-specific measures have been reported [ 4].

The pathogenesis of schistosomiasis and the apparent involvement of the immune response in both susceptibility and resistance have proved complex and difficult to understand, and therefore more research on these topics is required.

The music, like the people who use and love it, has proven complex enough to express emotions simply and unambiguously when that's the way they're experienced.

Remote sensing offers the potential to scale up from plot to higher landscape levels but it has proven complex to evaluate forest structure, and therefore biomass patterns in tropical areas, due to saturation, signal noises, and unclear relationships between reflectance values and structural properties, both for optical and radar systems.

Generally, TIMP-1, TIMP-2, and TIMP-4 have been reported to exert antiapoptotic effects, while the role of TIMP-3 in apoptosis has proven complex.