Repeated studies have shown a strong correlation between ingestion of zeaxanthin and the prevention and treatment of age-related macular degeneration ( AMD ).

** Repeated failures may result in a router cycling between the Idle and Active states.

Repeated alternation between registers at a singer's passaggio pitch range produces a very distinctive sound.

Repeated training in some subjects has led to long-term improvement, and in one exceptional case, even to the complete elimination of the phantom limb between the hand and the shoulder ( so that the phantom hand was dangling from the shoulder ).

Repeated effusions may require chemical ( talc, bleomycin, tetracycline / doxycycline ), or surgical pleurodesis, in which the two pleural surfaces are scarred to each other so that no fluid can accumulate between them.

Repeated surveys verified the line ran true between the posts, and steel bolts were installed at fixed intervals along the line.

Repeated conversion between analog and digital can also cause loss.

Repeated efforts were made to propagate Volksturm, racial consciousness, to prevent sexual relations between Germans and foreign workers.

Repeated polls have disclosed that most married couples are now using contraceptives in the practice of birth control.

Repeated experiments since the 17th century have demonstrated that inertial and gravitational mass are equivalent ; since 1915, this observation has been entailed a priori in the equivalence principle of general relativity.

Repeated motions must be " so devoid of merit and be so frivolous that they can be described as a flagrant abuse of the system, have no reasonable probability of success, lack reasonable or probable cause or excuse, and are clearly meant to abuse the processes of the courts and to harass the adverse party than other litigants.

Repeated caveats have been added to the Posse Comitatus Act over the years by subsequent legislation.

Repeated campaigns for a " Best Stunts " Academy Award have been rejected.

Repeated crosses of the same two parents have made reiterations of F. intermedia quite variable.

Repeated lava flows over the last 15, 000 years have raised the land surface enough to expose it to the prevailing southwesterly winds, which help to keep the area dry.

Repeated excerpts from the show have been broadcast under the title A Little Later particularly as fill-in programmes on BBC HD.

Repeated cycles of burning the grass have kept trees from growing back since.

Repeated series include Doctor Who, Hitchhiker's Guide to the Galaxy, Are You Being Served ?, Dad's Army, Torchwood, Torchwood Declassified, The Jewel in the Crown, Never the Twain, The Sweeney and The Bill that have already been seen on free-to-air terrestrial television in Australia.

Repeated demands for the creation of a state for the Annang area have been ignored by the Nigerian authorities, while other areas that do not produce oil have been made states and therefore set up as a unit to receive the oil money.

Repeated, frequent spotlighting may have a detrimental effect on animals and is discouraged.

Repeated shotgun blasts have enough force to knock it down and temporarily disable it, while heavy amounts of automatic fire are able to compromise the organic disguise layer.

Repeated attempts, from the 1950s to the 1980s, by the South Island Local Bodies Association to have the Ministry of Works build the road were made.

" Repeated lyrical motifs have become a distinct feature on recent albums.

Repeated and sometimes contradictory announcements have been made claiming that new ships will join the fleet.

Repeated U. S. questions have yielded several different responses from the Russian government regarding Mount Yamantaw.

Repeated attempts to shut down the campsite have been rebuffed by the Portland City Council, which has guaranteed the community's existence through at least 2010.

Repeated deployment of weed-control agents may have a negative effect upon the local environment, in which case the only option remaining is manual clearance.

Repeated or severe electric shock which does not lead to death has been shown to cause neuropathy.

Repeated poor performances prompted people to question whether Bangladesh had been granted Test status too soon.

Repeated firing of the weapon has been shown to fatigue the human host.

Repeated prior complaints about the working conditions at High Blantyre had been ignored.

Repeated attempts to open trade were opposed on both commercial and humanitarian grounds, although minor reforms in the 1850s and 60s lowered the prices charged to the natives for " luxuries " like sugar and coffee ; transferred more of the KGH's profits to local communities ; and granted the important Ivigtut cryolite concession to a separate company.

Repeated pirate raids on coastal towns along the Caribbean coast of Central America led the Spanish Crown as early as 1590 to begin looking for a new defensible port for the Captaincy General of Guatemala to export its goods to Spain.

Repeated court battles did force the TRC to build new cars, but they were of old design.

Repeated use of insecticides and herbicides also encourages rapid natural selection of resistant insects, plants and other organisms, necessitating increased use, or requiring new, more powerful controls.

Repeated court battles did force the TRC to build new cars, but they were of old design.

Repeated efforts -- beginning with the Missouri Compromise of 1821 -- were made by such master moderates as Clay and Douglas to resolve the difference peacefully by compromise, rather than clear thought and timely action.

Repeated release of insects can eventually wipe out a population, though it is often more useful to consider controlling the population rather than eradicating it.

Repeated distillation of vodka will make its ethanol level much higher than is acceptable to most end users, whether legislation determines strength limits or not.

; 1881 – 1884, 1903 – 1906, 1914-1921: Repeated waves of pogroms swept Russia, propelling mass Jewish emigration ( more than 2 million Russian Jews emigrated in the period 1881-1920 ).

Repeated polling has found that a majority of Americans believe the constitution ensures their right to own a gun, with less than 40 percent of Americans favoring stricter gun laws.

Repeated episodes of extended glaciation resulted in decreases of sea levels by some 100 – 150 m. The continental coastline therefore extended much further out into the Timor Sea than it does today, and Australia and New Guinea formed a single landmass ( known as Sahul ), connected by an extensive land bridge across the Arafura Sea, Gulf of Carpentaria and Torres Strait.

Repeated medals are harder to earn than the first one.

Repeated attempts to travel overland were repulsed with heavy casualties, accidents, conflicts with natives, and, above all, disease saw large and well-equipped expeditions got no further than 40 miles ( 60 km ) or so past the western-most rapid, the legendary Cauldron of Hell.

* voted for Vehicle Laws – Repeated Drunk and Drugged Driving Offenses – Suspension of License ( HB 293 ), strengthening Maryland ’ s drunk driving laws by imposing a mandatory one year license suspension for a person convicted of drunk driving more than once in five years, 2009

Repeated episodes of extended glaciation during the Pleistocene epoch, resulted in decreases of sea levels by more than 100 metres in Australasia.