While effective in some patients, they induce unpleasant menopausal symptoms, and over time may lead to osteoporosis.

While most elements are generally viewed as stable, a small amount of natural transformation of one element to another also occurs in the present time, through decay of radioactive elements as well as other natural nuclear processes.

While diffraction occurs whenever propagating waves encounter such changes, its effects are generally most pronounced for waves where the wavelength is roughly similar to the dimensions of the diffracting objects.

While the first reference to " guising " in North America occurs in 1911, another reference to ritual begging on Halloween appears, place unknown, in 1915, with a third reference in Chicago in 1920.

While it is true that three power strokes typically occur per rotor revolution due to the 3: 1 revolution ratio of the rotor to the eccentric shaft, only one power stroke per shaft revolution actually occurs ; this engine provides three power ' strokes ' per revolution per rotor giving it a greater power-to-weight ratio than piston engines.

While not as strong as permanent dipoles, orientation with the external field still occurs.

While this state is highly stable, it can switch to the lytic pathway in the process of prophage induction, which occurs when the host SOS response is triggered by DNA damage.

While the exact cause of primary lymphedema is still unknown, it generally occurs due to poorly developed or missing lymph nodes and / or channels in the body.

While some types of unemployment may occur regardless of the condition of the economy, cyclical unemployment occurs when growth stagnates.

While all motion in a mechanical system occurs in three dimensional space, planar motion can be analyzed using plane geometry, if all point trajectories are parallel to a plane.

While the earliest extra-biblical directions for baptism, which occurs in the Didache ( c. 100 ), speaks to the baptism of adults, rather than young children, since it requires that the person to be baptised should fast, writings of the 2nd and early 3rd century indicate that some Christians baptized infants too.

While some evolutionary biologists claim that speciation events have remained relatively constant over time, some palaeontologists such as Niles Eldredge and Stephen Jay Gould have argued that species usually remain unchanged over long stretches of time, and that speciation occurs only over relatively brief intervals, a view known as punctuated equilibrium.

While the first reference to " guising " in North America occurs in 1911, another reference to ritual begging on Halloween appears, place unknown, in 1915, with a third reference in Chicago in 1920.

While major questions still surround the biochemical pathway for the transformation of vitamin K < sub > 1 </ sub > to MK4, studies demonstrate the conversion is not dependent on gut bacteria, as it occurs in germ-free rats and in parenterally-administered K < sub > 1 </ sub > in rats.

While far from universal, ancestor veneration occurs in societies with every degree of social, political, and technological complexity, and it remains an important component of various religious practices in modern times.

While this occurs another ingredient for the same dish needing high heat is being cooked at the bottom.

While the event may be specified by the contract, the actions that must be taken to make the injured party " whole " again are largely fact-based and unknown to the parties until the event occurs, while the maximum liability is often expressly limited by the contract.

While in a non-rotating black hole the singularity occurs at a single point in the model coordinates, called a " point singularity ".

While the first iron ore was likely meteoric iron, and hematite was far easier to smelt, in Africa, where the first evidence of iron metallurgy occurs, limonite is the most prevalent iron ore. Before smelting, as the ore was heated and the water driven off, more and more of the limonite was converted to hematite.

While flexion and extension consist of movements around a pair of transverse axes — passing through the lunate bone for the proximal row and through the capitate bone for the distal row — palmar flexion occurs mainly in the radiocarpal joint and dorsiflexion in the midcarpal joint.

While energy is always lost during a brake event, a secondary factor that influences efficiency is " off-brake drag ", or drag that occurs when the brake is not intentionally actuated.

While aboard Halsey's flagship, it occurs to Keefer that all of Queeg's documented actions could be interpreted as reasonable attempts to instill discipline, leaving them open to a charge of conspiring to mutiny.

While this still occurs in some jurisdictions, it has become increasingly rare, with physicians building an increasing confidence and trust in the work of paramedics.

" While descriptions of Gorgons vary across Greek literature and occurs in the earliest examples of Greek literature, the term commonly refers to any of three sisters who had hair of living, venomous snakes, and a horrifying visage that turned those who beheld her to stone.

While linearly polarized light occurs when the electric field vector oscillates only in one plane, circularly polarized light occurs when the direction of the electric field vector rotates about its propagation direction while the vector retains constant magnitude.

While she was thus engaged, McFeeley questioned her about her whereabouts the previous day, any recollections she had of people hanging around, of overcurious delivery boys or repairmen, of strange cars cruising the neighborhood.

While they were told that there were some normal people who reacted differently than they had, they were also informed that there were other normals who reacted as they had.

While prowling around these buildings, two of the posse recognized the voice of Gonzales speaking to the people inside.

While humans and other organisms generally place less value on future costs / benefits as compared to those in the present, some have shorter time horizons than others and these people tend to be less cooperative.

While Agrippina lived there or when she went on short visits to Rome, Nero had sent people to annoy her.

While citizens voting in the assembly were the people and so were free of review or punishment, those same citizens when holding an office served the people and could be punished very severely.

While it contains much in the way of Native American tradition, it should not be confused with the tribal beliefs of any community of native people.

While Italian by birth, Salieri had lived in imperial Vienna for almost 60 years and was regarded by such people as the music critic Friedrich Rochlitz as a German composer.

While many indigenous Amazonian people say they received the instructions directly from plants and plant spirits, researchers have devised a number of alternative theories to explain its discovery.

While in the view of most American academics the two were as diametrically opposed as good and evil, Sakharov believed that in this " tragic confrontation of two outstanding people ," both deserved respect, because " each of them was certain he had right on his side and was morally obligated to go to the end in the name of truth.

While there is an official locality named Akibahara, which is also 秋葉原 in kanji, nearby ( as part of Taitō-ku ), the area known to most people as Akihabara ( including the railway station of the same name ) also include Soto-Kanda, a part of Chiyoda-ku.

While English and Russian are the dominant languages used by Aleuts living in the US and Russia respectively, the Aleut language is still spoken by several hundred people.

While Tacitus called it Mare Suebicum after the Germanic people of the Suebi, the first to name it also as the Baltic Sea ( Mare Balticum ) was eleventh century German chronicler Adam of Bremen.

While blind and visually impaired people had contributed to the body of common literature for centuries, one notable example being the author of Paradise Lost, John Milton, the creation of autobiographical materials, or materials specific to blindness, is relatively new.

While Jonah passively finds himself forced to act under the Divine Will, the people of Nineveh actively petition God to change His mind.

While some people with bipolar disorder mainly experience manic symptoms, others more often feel depressed.

While the Khmer built a standard brick tower, Po Klaung Garai directed his people to build an impressive replica of paper and wood.

While there is universal agreement that some Mesoamerican people practiced human sacrifice, there is a lack of scholarly consensus as to whether cannibalism in pre-Columbian America was widespread.

While most people have a strong intuition for the existence of what they refer to as consciousness, skeptics argue that this intuition is false, either because the concept of consciousness is intrinsically incoherent, or because our intuitions about it are based in illusions.

While people may gain celebrity status as a result of a successful career in a particular field ( primarily in the areas pertaining towards sports and entertainment ), in other cases, people become celebrities due to media attention for their extravagant lifestyle or wealth ( as in the case of a socialite ); for their connection to a famous person ( as in the case of a relative of a famous person ); or even for their misdeeds ( as in the case of a well-known criminal ).

While most of these testimonies represent ailments neither diagnosed nor treated by medical professionals, the Church does require three other people to vouch for any testimony published in its official organ, the Christian Science Journal.

While en route to Chongqing, the Nationalist army intentionally started the " fire of Changsha ", which lasted for three days, destroyed two thirds of the city, killed twenty thousand civilians, and left hundreds of thousands of people homeless.

While some jurisdictions regard crossbows same as firearms, many others do not even require any sort of license to own a crossbow even for people, such as felons, who may not legally possess a firearm.