By Katia Hetter, CNN

(CNN) — Move more. Sit less. For many years, that’s been accepted guidance for people wanting to get healthier.

Now that message is getting refined, with a growing body of research suggesting that certain types of movements may be more beneficial than others when it comes to health benefits.

The intensity of your exercise may matter as well. A new study published in the European Heart Journal found that a small amount of vigorous activity may be linked to lower risk of eight different chronic diseases.

The findings raise questions about why intensity matters and how people can incorporate more intense exercise routines into everyday life. To better understand the study’s implications, I spoke with CNN wellness expert Dr. Leana Wen, an emergency physician and clinical associate professor at George Washington University. She previously served as Baltimore’s health commissioner.

Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain.

CNN: What did this study examine about exercise and its relationship to chronic disease?

Dr. Leana Wen: This investigation looked at how the intensity of physical activity is related to the risk of developing a range of chronic diseases. Researchers analyzed data from two very large groups in the UK Biobank, which is a long-term health study in the United Kingdom that tracks medical and lifestyle information from hundreds of thousands of participants. One group included about 96,000 people who wore wrist activity trackers that objectively measured their movement, and the other included more than 375,000 people who self-reported their activity.

The researchers followed participants over an average of about nine years and examined the development of eight conditions: major cardiovascular events, atrial fibrillation, type 2 diabetes, immune-related inflammatory diseases, fatty liver disease, chronic respiratory disease, chronic kidney disease and dementia, as well as overall mortality.

The key finding was that the proportion of activity done at vigorous intensity mattered. People who had more than about 4% of their total activity classified as vigorous had substantially lower risks of developing these conditions compared with people who had no vigorous activity at all. The numbers were stunning, with the participants having the following results:

• 63% lower risk of dementia,
• 60% lower risk of type 2 diabetes,
• 48% lower risk of fatty liver disease,
• 44% lower risk of chronic respiratory disease,
• 41% lower risk of chronic kidney disease,
• 39% lower risk of immune-mediated inflammatory diseases,
• 31% lower risk of major cardiovascular events,
• 29% lower risk of atrial fibrillation, and
• 46% lower risk of death from any cause.

These results are amazing. Imagine if someone invented a medication that could reduce the risks of all these diseases at once — it would be very popular! Crucially, even people who exercised a lot still benefited if the proportion of time they spent doing vigorous physical activity was increased. Conversely, people who were relatively inactive also benefited from adding just a little bit of higher-intensity exercise to their daily routines.

CNN: What counts as “vigorous” physical activity?

Wen: Vigorous activity is generally defined as exercise that substantially

Por Sol Amaya, CNN en Español

La recientemente reabierta embajada de Estados Unidos en Venezuela tendrá un cambio de representación. La administración de Donald Trump designó al diplomático John Barrett como encargado de negocios en el país sudamericano, en reemplazo de Laura Dogu.

La propia Dogu confirmó el cambio. “Mi asignación temporal en Caracas está llegando a su fin”, publicó la diplomática en la cuenta de X de la embajada estadounidense. Allí también anunció que el designado para su reemplazo es Barrett, actual encargado de negocios en Guatemala, y que llegará “próximamente” a Venezuela.

CNN contactó al Departamento para solicitar comentarios.

Estados Unidos reabrió formalmente su embajada en Caracas el pasado 30 de marzo, casi tres meses después del operativo militar en el que capturaron al depuesto presidente Nicolás Maduro.

El Departamento de Estado de EE.UU. dijo entonces que la reapertura significaba “un nuevo capítulo” en las relaciones diplomáticas entre ambos países. Estos vínculos se habían interrumpido en 2019, luego de que Trump, en su primera administración, rechazara reconocer a Maduro como presidente tras unas cuestionadas elecciones.

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Por David Goldman, Morgan Leason y Bryan Mena, CNN

El presidente Donald Trump declaró que despedirá al presidente de la Reserva Federal, Jerome Powell, si este no se aparta de su cargo cuando expire su mandato al frente del banco central el próximo mes.

“Entonces tendré que despedirlo”, dijo Trump a Maria Bartiromo, de Fox Business, este miércoles, en respuesta a una pregunta sobre la permanencia de Powell en la Fed.

El momento de la salida de Powell de la Fed se ha visto complicado por la investigación penal del Departamento de Justicia contra el presidente de la Reserva Federal, que acusa a Powell de haber mentido al Congreso en un testimonio ofrecido el año pasado en relación con la renovación de US$ 2.500 millones de la sede de la Fed en la ciudad de Washington. Se trata de un asunto en el que el Gobierno de Trump ha puesto especial énfasis como parte de sus reiteradas críticas al liderazgo de Powell en la Fed.

En enero, Trump postuló al exgobernador de la Fed, Kevin Warsh, para reemplazar a Powell, cuyo mandato al frente del banco central expira el 15 de mayo. Sin embargo, el senador republicano por Carolina del Norte, Thom Tillis —miembro clave del comité encargado de aprobar a los nominados para la Fed— reiteró esta semana que no votará para confirmar a Warsh hasta que haya concluido la investigación sobre Powell.

Esta semana, la administración Trump redobló su apoyo a dicha investigación, a pesar de la probabilidad de que esta retrase la postulación de Warsh y pueda derivar en un enfrentamiento legal con Powell, lo cual podría prolongar la permanencia en el banco central de un presidente de la Fed que resulta indeseado para Trump.

Dos fiscales adscritos a la Oficina del Fiscal de Estados Unidos para el Distrito de Columbia —dirigida por Jeanine Pirro— fueron rechazados el martes tras presentarse en la sede de la Fed en una visita no anunciada con el fin de supervisar el progreso de las obras de renovación.

“Cualquier proyecto de construcción que presente sobrecostos de casi el 80 % por encima del presupuesto original de obra merece una revisión exhaustiva”, afirmó Pirro en un comunicado. “¿Y estas son las personas que están a cargo de la política monetaria en Estados Unidos?”.

Robert Hur, un abogado que representa a la Reserva Federal (Fed), le indicó a uno de los fiscales que no volviera a visitar el edificio sin la presencia de un abogado de la Fed, según consta en la correspondencia obtenida por CNN.

La visita —y la renovada amenaza de Trump de destituir a Powell— intensifica una batalla ya de por sí extraordinaria entre la administración y el banco central. Estas acciones y amenazas plantean interrogantes significativos sobre la preciada independencia del banco central y su capacidad para autogobernarse frente a los intentos sin precedentes de la Casa Blanca de interferir en sus asuntos.

A tan solo un mes de que expire el periodo de Powell como presidente, Warsh aún no ha sido confirmado por el Senado ni por el pleno de la cámara. Esto abre la posibilidad de que Powell permanezca en el cargo como presidente “pro tempore”, de conformidad con las regulaciones de la Fed.

Powell confirmó en una conferencia de prensa celebrada en marzo que, si Warsh no es confirmado por el Senado antes del 15 de mayo, él continuaría ejerciendo como presidente de la Fed “pro tempore” durante el periodo interino. “Eso es lo que estipula la ley. Es lo que hemos hecho en varias ocasiones”, declaró Powell en aquel momento.

El Comité Bancario del Senado ha programado una audiencia de confirmación para Warsh para el 21 de abril. Sin embargo, Tillis sigue siendo una figura clave que mantiene su oposición.

Este miércoles, Trump expresó su esperanza de que el Comité Bancario del Senado confirmara a Warsh la próxima semana, afirmando que Tillis “es un estadounidense; sabe lo que debe hacer”.

No obstante, también reconoc

By David Wright, CNN

(CNN) — Texas Democratic Senate candidate James Talarico announced a first-quarter fundraising haul of more than $27 million on Wednesday, among the largest totals reported by a US Senate candidate.

Talarico, a state representative and Presbyterian seminarian, won the Democratic nomination in March over US Rep. Jasmine Crockett. His campaign said he has raised $10 million since the March 3 primary.

Democrats are hoping Talarico will be able to put reliably red Texas in play at the statewide level as they face a tough national map for Senate control that would require them to net four seats. The Democratic state representative will face the winner of a May 26 runoff in the Republican primary between incumbent Sen. John Cornyn and state Attorney General Ken Paxton.

Talarico’s campaign has drawn comparisons to former Rep. Beto O’Rourke’s 2018 bid against Republican Sen. Ted Cruz, in which O’Rourke raised then record-sums and galvanized state Democrats, ultimately losing to Cruz by less than three points. In the first quarter of that election year, O’Rourke had raised $6.8 million, and he went on to raise a total of $80 million for the race.

No Democrat has won statewide in Texas in three decades. But Cornyn’s allies argue nominating Paxton would require Republicans to invest tens of millions of dollars in a general election.

Talarico is among several Democratic Senate candidates announcing strong first-quarter fundraising totals this week around the Wednesday deadline to file reports with the Federal Election Commission.

Georgia Sen. Jon Ossoff, who has a competitive reelection contest as the only incumbent Democrat running in a state won by President Donald Trump in 2024, said that he raised $14 million in the first quarter and would report over $31 million in cash on hand.

Meanwhile, former North Carolina Gov. Roy Cooper, running in another battleground contest pivotal to Democratic hopes of flipping the Senate, said that he raised $13.8 million.

Cooper’s opponent, former RNC chair Michael Whatley, announced that he had raised $5 million in the first quarter.

Former Ohio Sen. Sherrod Brown, running to return to the Senate, raised $12.5 million in the quarter, after losing reelection to Sen. Bernie Moreno in 2024. Brown is likely to face Republican Sen. Jon Husted, appointed last year to Vice President JD Vance’s seat, in another closely watched race

Democratic candidates in contested primaries in Maine and Michigan – two more states the party must win in order to chart a path back to the majority – also reflected the enthusiasm among donors.

Graham Platner, the Maine veteran and oyster farmer, raised $4 million for his Senate campaign in the first quarter, outraising his primary rival, Gov. Janet Mills, who brought in $2.6 million. The winner will take on GOP Sen. Susan Collins, a resilient incumbent already backed by pledges of more than $40 million in outside spending.

And in Michigan, state Rep. Mallory McMorrow brought in $3 million, just ahead of Abdul El-Sayed, who raised $2.25 million. Rep. Haley Stevens, another top Democratic contender, has not yet announced her totals.

Former Rep. Mike Rogers, the lead GOP candidate, has not announced his to

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